AudioCodes Mediant 1000 User manual

User's Manual
AudioCodes Family of Media Gateways & Session Border Controllers (SBC)
Mediant™ 1000B
Gateway & Enterprise SBC
Version 7.2

Version 7.2 3 Mediant 1000B Gateway & E-SBC
User's Manual Contents
Table of Contents
1Introduction .......................................................................................................25
1.1 Product Overview...................................................................................................25
1.2 Typographical Conventions....................................................................................26
1.3 Getting Familiar with Configuration Concepts and Terminology............................26
1.3.1 SBC Application.......................................................................................................26
1.3.2 Gateway Application................................................................................................30
Getting Started with Initial Connectivity................................................................33
2Introduction .......................................................................................................35
3Default OAMP IP Address.................................................................................37
4Configuring VoIP LAN Interface for OAMP .....................................................39
4.1 Web Interface.........................................................................................................39
4.2 CLI..........................................................................................................................41
Management Tools..................................................................................................43
5Introduction .......................................................................................................45
6Web-Based Management..................................................................................47
6.1 Getting Acquainted with the Web Interface............................................................47
6.1.1 Computer Requirements..........................................................................................47
6.1.2 Accessing the Web Interface...................................................................................48
6.1.3 Areas of the GUI......................................................................................................49
6.1.4 Accessing Configuration Pages from Navigation Tree............................................51
6.1.5 Configuring Stand-alone Parameters......................................................................53
6.1.6 Configuring Table Parameters.................................................................................54
6.1.6.1 Adding Table Rows..................................................................................55
6.1.6.2 Modifying Table Rows..............................................................................56
6.1.6.3 Deleting Table Rows................................................................................57
6.1.6.4 Invalid Value Indications ..........................................................................57
6.1.6.5 Viewing Table Rows.................................................................................59
6.1.6.6 Sorting Tables by Column........................................................................59
6.1.6.7 Changing Index Position of Table Rows..................................................60
6.1.6.8 Searching Table Entries...........................................................................61
6.1.7 Searching for Configuration Parameters.................................................................61
6.1.8 Creating a Login Welcome Message.......................................................................63
6.1.9 Getting Help.............................................................................................................64
6.1.10 Logging Off the Web Interface.................................................................................64
6.2 Configuring Management User Accounts ..............................................................65
6.3 Displaying Login Information upon Login...............................................................69
6.4 Viewing Logged-In User Information......................................................................69
6.5 Configuring Web Session and Access Settings.....................................................70
6.6 Changing Login Password for Administrator and Monitor Users ...........................71
6.7 Configuring Secured (HTTPS) Web.......................................................................72
6.8 Web Login Authentication using Smart Cards .......................................................72
6.9 Configuring Web and Telnet Access List...............................................................73

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7CLI-Based Management....................................................................................75
7.1 Getting Familiar with CLI........................................................................................75
7.1.1 Understanding Configuration Modes.......................................................................75
7.1.2 Using CLI Shortcuts.................................................................................................76
7.1.3 Common CLI Commands........................................................................................77
7.1.4 Configuring Tables through CLI...............................................................................78
7.1.5 Understanding CLI Error Messages........................................................................79
7.2 Enabling CLI...........................................................................................................80
7.2.1 Enabling Telnet for CLI............................................................................................80
7.2.2 Enabling SSH with RSA Public Key for CLI.............................................................80
7.3 Configuring Maximum Telnet/SSH Sessions.........................................................83
7.4 Establishing a CLI Session ....................................................................................83
7.5 Viewing Current CLI Sessions ...............................................................................84
7.6 Terminating a User's CLI Session..........................................................................84
7.7 Configuring Displayed Output Lines in CLI Terminal Window ...............................85
8SNMP-Based Management...............................................................................87
8.1 Enabling SNMP......................................................................................................87
8.2 Configuring SNMP Community Strings..................................................................87
8.3 Configuring SNMP Trap Destinations with IP Addresses ......................................89
8.4 Configuring an SNMP Trap Destination with FQDN ..............................................91
8.5 Configuring SNMP Trusted Managers...................................................................91
8.6 Enabling SNMP Traps for Web Activity..................................................................92
8.7 Configuring SNMP V3 Users..................................................................................92
9INI File-Based Management..............................................................................95
9.1 INI File Format .......................................................................................................95
9.1.1 Configuring Individual ini File Parameters...............................................................95
9.1.2 Configuring Table ini File Parameters.....................................................................95
9.1.3 General ini File Formatting Rules............................................................................97
9.2 Configuring an ini File ............................................................................................97
9.3 Loading an ini File to the Device............................................................................98
9.4 Secured Encoded ini File.......................................................................................98
9.5 Configuring Password Display in ini File................................................................98
9.6 INI Viewer and Editor Utility .................................................................................100
General System Settings ......................................................................................101
10 Configuring SSL/TLS Certificates..................................................................103
10.1 Configuring TLS Certificate Contexts...................................................................103
10.2 Assigning CSR-based Certificates to TLS Contexts............................................107
10.3 Viewing Certificate Information ............................................................................109
10.4 Assigning Externally Created Private Keys to TLS Contexts...............................110
10.5 Generating Private Keys for TLS Contexts..........................................................111
10.6 Creating Self-Signed Certificates for TLS Contexts.............................................113
10.7 Importing Certificates and Certificate Chain into Trusted Certificate Store..........114
10.8 Configuring Mutual TLS Authentication................................................................116
10.8.1 TLS for SIP Clients................................................................................................116

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10.8.2 TLS for Remote Device Management...................................................................116
10.9 Configuring TLS Server Certificate Expiry Check................................................117
11 Date and Time..................................................................................................119
11.1 Configuring Automatic Date and Time using SNTP.............................................119
11.2 Configuring Date and Time Manually...................................................................120
11.3 Configuring the Time Zone...................................................................................121
11.4 Configuring Daylight Saving Time........................................................................121
General VoIP Configuration..................................................................................123
12 Network............................................................................................................125
12.1 Building and Viewing your Network Topology......................................................125
12.2 Configuring Physical Ethernet Ports ....................................................................128
12.3 Configuring Ethernet Port Groups........................................................................130
12.4 Configuring Underlying Ethernet Devices............................................................132
12.5 Configuring IP Network Interfaces .......................................................................135
12.5.1 Assigning NTP Services to Application Types ......................................................139
12.5.2 IP Interfaces Table Configuration Guidelines........................................................139
12.5.3 Networking Configuration Examples .....................................................................140
12.5.3.1 One VoIP Interface for All Applications................................................. 140
12.5.3.2 VoIP Interface per Application Type...................................................... 140
12.5.3.3 VoIP Interfaces for Combined Application Types ................................. 141
12.5.3.4 VoIP Interfaces with Multiple Default Gateways ................................... 142
12.6 Configuring Static IP Routes................................................................................142
12.6.1 Configuration Example of Static IP Routes ...........................................................144
12.6.2 Troubleshooting the Static Routes Table ..............................................................145
12.7 Network Address Translation Support .................................................................146
12.7.1 Device Located behind NAT..................................................................................146
12.7.1.1 Configuring a Static NAT IP Address for All Interfaces......................... 147
12.7.1.2 Configuring NAT Translation per IP Interface....................................... 148
12.7.2 Remote UA behind NAT........................................................................................149
12.7.2.1 SIP Signaling Messages....................................................................... 149
12.7.2.2 Media (RTP/RTCP/T.38)....................................................................... 150
12.8 Configuring Quality of Service..............................................................................152
12.8.1 Configuring Class-of-Service QoS.........................................................................152
12.8.2 Configuring DiffServ-to-VLAN Priority Mapping.....................................................154
12.9 Configuring ICMP Messages ...............................................................................155
12.10DNS......................................................................................................................156
12.10.1Configuring the Internal DNS Table.......................................................................156
12.10.2Configuring the Internal SRV Table.......................................................................157
12.11Open Solution Network (OSN) Server .................................................................160
12.11.1Configuring Native VLAN for OSN Server.............................................................160
12.11.2Disabling Internal Switch Port for OSN..................................................................161
12.12Robust Receipt of Media Streams by Media Latching.........................................162
12.13Multiple Routers Support......................................................................................162
13 Security............................................................................................................163
13.1 Configuring Firewall Settings ...............................................................................163
13.2 Configuring General Security Settings.................................................................167

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13.3 Intrusion Detection System..................................................................................167
13.3.1 Enabling IDS..........................................................................................................168
13.3.2 Configuring IDS Policies........................................................................................169
13.3.3 Assigning IDS Policies...........................................................................................173
13.3.4 Viewing IDS Alarms...............................................................................................175
14 Media................................................................................................................177
14.1 Configuring Voice Settings...................................................................................177
14.1.1 Configuring Voice Gain (Volume) Control .............................................................177
14.1.2 Silence Suppression (Compression).....................................................................177
14.1.3 Configuring Echo Cancellation..............................................................................178
14.2 Fax and Modem Capabilities................................................................................178
14.2.1 Fax/Modem Operating Modes...............................................................................179
14.2.2 Fax/Modem Transport Modes ...............................................................................179
14.2.2.1 T.38 Fax Relay Mode............................................................................ 180
14.2.2.2 G.711 Fax / Modem Transport Mode.................................................... 182
14.2.2.3 Fax Fallback.......................................................................................... 183
14.2.2.4 Fax/Modem Bypass Mode .................................................................... 184
14.2.2.5 Fax / Modem NSE Mode....................................................................... 185
14.2.2.6 Fax / Modem Transparent with Events Mode....................................... 186
14.2.2.7 Fax / Modem Transparent Mode........................................................... 186
14.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection............................ 187
14.2.3 V.34 Fax Support...................................................................................................187
14.2.3.1 Bypass Mechanism for V.34 Fax Transmission.................................... 188
14.2.3.2 Relay Mode for T.30 and V.34 Faxes................................................... 188
14.2.4 V.152 Support........................................................................................................189
14.3 Configuring RTP/RTCP Settings..........................................................................189
14.3.1 Configuring the Dynamic Jitter Buffer....................................................................189
14.3.2 Comfort Noise Generation.....................................................................................191
14.3.3 Configuring DTMF Transport Types......................................................................191
14.3.4 Configuring RFC 2833 Payload.............................................................................193
14.3.5 Configuring RTP Base UDP Port...........................................................................193
14.4 Event Detection and Notification using X-Detect Header.....................................194
14.4.1 SIT Event Detection...............................................................................................196
14.4.2 Detecting Answering Machine Beeps....................................................................197
14.4.3 SIP Call Flow Examples of Event Detection and Notification................................198
14.5 Answering Machine Detection (AMD)..................................................................200
14.5.1 Configuring AMD ...................................................................................................202
14.5.2 Enabling IP-to-Tel Call Disconnection upon Detection of Answering Machine.....204
14.6 Automatic Gain Control (AGC).............................................................................204
14.7 Configuring Ground- or Loop-Start Signaling per Analog Port.............................205
14.8 Configuring DSP Templates.................................................................................206
14.9 DSP Channel Resources for Transcoding...........................................................207
14.10Configuring Media (SRTP) Security.....................................................................208
15 Services ...........................................................................................................211
15.1 DHCP Server Functionality..................................................................................211
15.1.1 Configuring the DHCP Server ...............................................................................211
15.1.2 Configuring the Vendor Class Identifier.................................................................216
15.1.3 Configuring Additional DHCP Options...................................................................217
15.1.4 Configuring Static IP Addresses for DHCP Clients...............................................219
15.1.5 Viewing and Deleting DHCP Clients......................................................................220
15.2 RADIUS-based Services......................................................................................221
15.2.1 Enabling RADIUS Services ...................................................................................221

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15.2.2 Configuring RADIUS Servers................................................................................222
15.2.3 Configuring Interface for RADIUS Communication...............................................224
15.2.4 Configuring RADIUS Packet Retransmission........................................................224
15.2.5 Configuring the RADIUS Vendor ID ......................................................................225
15.2.6 RADIUS-based Management User Authentication ...............................................225
15.2.6.1 Setting Up a Third-Party RADIUS Server ............................................. 226
15.2.6.2 Configuring RADIUS-based User Authentication.................................. 227
15.2.6.3 Securing RADIUS Communication ....................................................... 229
15.2.6.4 RADIUS-based User Authentication in URL......................................... 229
15.2.7 RADIUS-based CDR Accounting ..........................................................................229
15.3 LDAP-based Management and SIP Services......................................................229
15.3.1 Enabling the LDAP Service...................................................................................231
15.3.2 Enabling LDAP-based Web/CLI User Login Authentication and Authorization.....231
15.3.3 Configuring LDAP Server Groups .........................................................................232
15.3.4 Configuring LDAP Servers.....................................................................................234
15.3.5 Configuring LDAP DNs (Base Paths) per LDAP Server........................................237
15.3.6 Configuring the LDAP Search Filter Attribute........................................................238
15.3.7 Configuring Access Level per Management Groups Attributes ............................239
15.3.8 Configuring the Device's LDAP Cache..................................................................241
15.3.8.1 Refreshing the LDAP Cache................................................................. 243
15.3.8.2 Clearing the LDAP Cache..................................................................... 244
15.3.9 Configuring Local Database for Management User Authentication......................245
15.3.10LDAP-based Login Authentication Example..........................................................246
15.3.11Enabling LDAP Searches for Numbers with Characters.......................................250
15.3.12AD-based Routing for Microsoft Skype for Business ............................................250
15.3.12.1Querying the AD and Routing Priority................................................... 250
15.3.12.2Configuring AD-Based Routing Rules................................................... 253
15.3.12.3Querying the AD for Calling Name........................................................ 256
15.4 Least Cost Routing...............................................................................................257
15.4.1 Overview................................................................................................................257
15.4.2 Configuring LCR....................................................................................................259
15.4.2.1 Configuring Cost Groups....................................................................... 260
15.4.2.2 Assigning Cost Groups to Routing Rules.............................................. 262
15.5 Remote Web Services .........................................................................................262
15.5.1 Configuring Remote Web Services .......................................................................262
15.5.1.1 Configuring Remote HTTP Hosts.......................................................... 267
15.5.2 Enabling Topology Status Services.......................................................................269
15.5.3 Centralized Third-Party Routing Server.................................................................269
15.6 HTTP-based Proxy Services................................................................................272
15.6.1 Enabling the HTTP Proxy Application ...................................................................273
15.6.2 Configuring HTTP Interfaces.................................................................................273
15.6.3 Configuring HTTP Proxy Services.........................................................................275
15.6.3.1 Configuring HTTP Proxy Hosts............................................................. 276
15.6.4 Configuring an HTTP-based EMS Service............................................................278
15.7 E9-1-1 Support for Microsoft Skype for Business................................................280
15.7.1 About E9-1-1 Services...........................................................................................280
15.7.2 Microsoft Skype for Business and E9-1-1 .............................................................281
15.7.2.1 Gathering Location Information of Skype for Business Clients for 911
Calls 281
15.7.2.2 Adding ELINs to the Location Information Server................................. 283
15.7.2.3 Passing Location Information to the PSTN Emergency Provider......... 284
15.7.3 AudioCodes ELIN Device for Skype for Business E9-1-1 Calls to PSTN.............285
15.7.3.1 Detecting and Handling E9-1-1 Calls.................................................... 286
15.7.3.2 Pre-empting Existing Calls for E9-1-1 Calls.......................................... 288

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15.7.3.3 PSAP Callback to Skype for Business Clients for Dropped E9-1-1 Calls
288
15.7.3.4 Selecting ELIN for Multiple Calls within Same ERL.............................. 289
15.7.3.5 Location Based Emergency Routing..................................................... 290
15.7.4 Configuring AudioCodes ELIN Device...................................................................290
15.7.4.1 Enabling the E9-1-1 Feature................................................................. 290
15.7.4.2 Configuring the E9-1-1 Callback Timeout............................................. 291
15.7.4.3 Configuring the SIP Release Cause Code for Failed E9-1-1 Calls....... 291
15.7.4.4 Configuring SBC IP-to-IP Routing Rule for E9-1-1............................... 292
15.7.4.5 Configuring Location-Based Emergency Routing................................. 292
15.7.4.6 Viewing the ELIN Table......................................................................... 294
16 Quality of Experience......................................................................................295
16.1 Reporting Voice Quality of Experience to SEM....................................................295
16.1.1 Configuring the SEM Server..................................................................................295
16.1.2 Configuring Clock Synchronization between Device and SEM.............................296
16.1.3 Enabling RTCP XR Reporting to SEM ..................................................................296
16.2 Configuring Quality of Experience Profiles...........................................................297
16.3 Configuring Bandwidth Profiles............................................................................302
16.4 Configuring Quality of Service Rules ...................................................................306
17 Control Network ..............................................................................................309
17.1 Configuring Media Realms...................................................................................309
17.1.1 Configuring Remote Media Subnets......................................................................312
17.1.2 Configuring Media Realm Extensions ...................................................................315
17.2 Configuring SRDs ................................................................................................317
17.2.1 Filtering Tables in Web Interface by SRD .............................................................322
17.2.2 Multiple SRDs for Multi-tenant Deployments.........................................................323
17.2.3 Cloning SRDs........................................................................................................324
17.2.4 Color-Coding of SRDs in Web Interface................................................................326
17.2.5 Automatic Configuration based on SRD................................................................326
17.3 Configuring SIP Interfaces...................................................................................326
17.4 Configuring IP Groups..........................................................................................333
17.5 Configuring Proxy Sets ........................................................................................346
17.6 Building and Viewing SIP Entities in Topology View............................................355
18 SIP Definitions.................................................................................................361
18.1 Configuring Registration Accounts.......................................................................361
18.1.1 Regular Registration Mode....................................................................................364
18.1.2 Single Registration for Multiple Phone Numbers using GIN..................................364
18.2 Configuring Proxy and Registration Parameters..................................................365
18.2.1 SIP Message Authentication Example ..................................................................366
18.3 Configuring SIP Message Manipulation...............................................................368
18.4 Configuring SIP Message Policy Rules................................................................374
18.5 Configuring Call Setup Rules...............................................................................377
18.5.1 Call Setup Rule Examples.....................................................................................382
19 Coders and Profiles ........................................................................................385
19.1 Configuring Coder Groups...................................................................................385
19.1.1 Supported Audio Coders.......................................................................................387
19.2 Configuring Allowed Audio Coder Groups ...........................................................389
19.3 Configuring Allowed Video Coder Groups ...........................................................392

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19.4 Configuring IP Profiles .........................................................................................393
19.5 Configuring Tel Profile..........................................................................................428
Gateway Application .............................................................................................441
20 Introduction .....................................................................................................443
20.1 Call Processing Summary....................................................................................443
21 Digital PSTN.....................................................................................................447
21.1 Configuring Trunk Settings...................................................................................447
21.2 TDM and Timing...................................................................................................449
21.2.1 TDM Bus Clock Settings........................................................................................449
21.2.1.1 Recovering Clock from PSTN Line Interface........................................ 449
21.2.1.2 Configuring Internal Clock as Clock Source ......................................... 450
21.3 Configuring CAS State Machines.........................................................................451
21.4 Configuring Digital Gateway Parameters.............................................................453
21.5 Tunneling Applications.........................................................................................454
21.5.1 TDM Tunneling......................................................................................................454
21.5.1.1 DSP Pattern Detector............................................................................ 457
21.5.2 QSIG Tunneling.....................................................................................................457
21.6 ISDN Non-Facility Associated Signaling (NFAS).................................................459
21.6.1 NFAS Interface ID..................................................................................................459
21.6.2 Working with DMS-100 Switches ..........................................................................460
21.6.3 Creating an NFAS-Related Trunk Configuration...................................................461
21.6.4 Performing Manual D-Channel Switchover in NFAS Group..................................461
21.7 ISDN Overlap Dialing...........................................................................................461
21.7.1 Collecting ISDN Digits and Sending Complete Number in SIP.............................462
21.7.2 Interworking ISDN Overlap Dialing with SIP According to RFC 3578...................463
21.8 Redirect Number and Calling Name (Display).....................................................464
22 Trunk Groups ..................................................................................................465
22.1 Configuring Trunk Groups....................................................................................465
22.2 Configuring Trunk Group Settings Table..............................................................467
23 Routing.............................................................................................................475
23.1 Configuring Tel-to-IP Routing Rules ....................................................................475
23.2 Configuring IP-to-Tel Routing Rules ....................................................................484
23.3 Configuring a Gateway Routing Policy Rule........................................................489
23.4 Alternative Routing for Tel-to-IP Calls..................................................................491
23.4.1 IP Destinations Connectivity Feature ....................................................................491
23.4.2 Alternative Routing Based on IP Connectivity.......................................................492
23.4.3 Alternative Routing Based on SIP Responses......................................................494
23.4.4 Alternative Routing upon SIP 3xx with Multiple Contacts......................................497
23.4.5 PSTN Fallback.......................................................................................................498
23.5 Alternative Routing for IP-to-Tel Calls..................................................................498
23.5.1 Alternative Routing to Trunk upon Q.931 Call Release Cause Code ...................498
23.5.2 Alternative Routing to an IP Destination upon a Busy Trunk ................................500
23.5.3 Alternative Routing upon ISDN Disconnect...........................................................502
23.5.4 Alternative Routing from FXO to IP.......................................................................502

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24 Manipulation....................................................................................................503
24.1 Configuring Redirect Reasons.............................................................................503
24.2 Configuring Source/Destination Number Manipulation Rules..............................503
24.3 Manipulating Number Prefix.................................................................................509
24.4 SIP Calling Name Manipulations..........................................................................510
24.5 Configuring Redirect Number IP to Tel................................................................513
24.6 Manipulating Redirected and Diverted Numbers for Call Diversion.....................518
24.7 Mapping NPI/TON to SIP Phone-Context............................................................519
24.8 Configuring Release Cause Mapping ..................................................................521
24.8.1 SIP-to-ISDN Release Cause Mapping ..................................................................521
24.8.1.1 Configuring SIP-to-ISDN Release Cause Mapping .............................. 521
24.8.1.2 Fixed Mapping of SIP Response to ISDN Release Reason................. 522
24.8.2 ISDN-to-SIP Release Cause Mapping ..................................................................523
24.8.2.1 Configuring ISDN-to-SIP Release Cause Mapping .............................. 523
24.8.2.2 Fixed Mapping of ISDN Release Reason to SIP Response................. 525
24.8.3 Configuring ISDN-to-ISDN Release Cause Mapping............................................526
24.8.4 Reason Header......................................................................................................528
24.8.5 Mapping PSTN Release Cause to SIP Response ................................................528
24.9 Numbering Plans and Type of Number................................................................529
25 Configuring DTMF and Dialing.......................................................................531
25.1 Dialing Plan Features...........................................................................................531
25.1.1 Digit Mapping.........................................................................................................531
25.1.2 External Dial Plan File ...........................................................................................532
25.2 Interworking Keypad DTMFs for SIP-to-ISDN Calls.............................................532
25.3 Configuring Hook Flash........................................................................................533
26 Configuring Supplementary Services ...........................................................535
26.1 Call Hold and Retrieve.........................................................................................535
26.2 Call Pickup...........................................................................................................537
26.3 BRI Suspend and Resume...................................................................................537
26.4 Consultation Feature............................................................................................538
26.5 Call Transfer.........................................................................................................538
26.5.1 Consultation Call Transfer.....................................................................................538
26.5.2 Consultation Transfer for QSIG Path Replacement..............................................539
26.5.3 Blind Call Transfer.................................................................................................540
26.6 Call Forward.........................................................................................................540
26.6.1 Enabling Call Forwarding.......................................................................................541
26.6.2 Call Forward Reminder Ring.................................................................................541
26.6.3 Call Forward Reminder (Off-Hook) Special Dial Tone ..........................................543
26.6.4 Call Forward Reminder Dial Tone (Off-Hook) upon Spanish SIP Alert-Info..........543
26.6.5 BRI Call Forwarding...............................................................................................544
26.7 Enabling Call Waiting...........................................................................................546
26.8 Message Waiting Indication.................................................................................547
26.9 Caller ID...............................................................................................................548
26.9.1 Enabling Caller ID Generation and Detection on Tel Side....................................548
26.9.2 Debugging a Caller ID Detection on FXO..............................................................549
26.9.3 Caller ID on the IP Side.........................................................................................550
26.10Three-Way Conferencing.....................................................................................551
26.11Emergency E911 Phone Number Services..........................................................553
26.11.1FXS Device Emulating PSAP using DID Loop-Start Lines....................................554

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26.11.2FXO Device Interworking SIP E911 Calls from Service Provider's IP Network to
PSAP DID Lines .................................................................................................................557
26.11.3Pre-empting Existing Calls for E911 IP-to-Tel Calls..............................................560
26.12Multilevel Precedence and Preemption................................................................561
26.12.1MLPP Preemption Events in SIP Reason Header ................................................563
26.12.2Precedence Ring Tone..........................................................................................564
26.13Denial of Collect Calls..........................................................................................564
26.14Configuring Multi-Line Extensions and Supplementary Services.........................565
26.15Detecting Collect Calls.........................................................................................568
26.16Advice of Charge Services for Euro ISDN ...........................................................568
26.17Configuring Charge Codes...................................................................................570
26.18Configuring Voice Mail.........................................................................................572
26.19Converting Accented Characters from IP to Tel...................................................573
27 Analog Gateway ..............................................................................................577
27.1 Configuring Keypad Features ..............................................................................577
27.2 Configuring Metering Tones.................................................................................578
27.3 Configuring FXO Settings ....................................................................................578
27.4 Configuring Authentication...................................................................................579
27.5 Configuring Automatic Dialing..............................................................................581
27.6 Configuring Caller Display Information.................................................................582
27.7 Configuring Call Forward .....................................................................................584
27.8 Configuring Caller ID Permissions.......................................................................586
27.9 Configuring Call Waiting.......................................................................................587
27.10Rejecting Anonymous Calls.................................................................................588
27.11Configuring FXS Distinctive Ringing and Call Waiting Tones per
Source/Destination Number..........................................................................................589
27.12FXS/FXO Coefficient Types.................................................................................590
27.13FXO Operating Modes.........................................................................................591
27.13.1FXO Operations for IP-to-Tel Calls........................................................................591
27.13.1.1One-Stage Dialing................................................................................. 591
27.13.1.2Two-Stage Dialing................................................................................. 593
27.13.1.3DID Wink............................................................................................... 593
27.13.2FXO Operations for Tel-to-IP Calls........................................................................594
27.13.2.1Automatic Dialing .................................................................................. 594
27.13.2.2Collecting Digits Mode........................................................................... 595
27.13.2.3FXO Supplementary Services............................................................... 595
27.13.3Call Termination on FXO Devices.........................................................................596
27.13.3.1Calls Termination by PBX ..................................................................... 596
27.13.3.2Call Termination before Call Establishment.......................................... 597
27.13.3.3Ring Detection Timeout......................................................................... 597
27.14Remote PBX Extension between FXO and FXS Devices....................................597
27.14.1Dialing from Remote Extension (Phone at FXS)...................................................598
27.14.2Dialing from PBX Line or PSTN.............................................................................599
27.14.3Message Waiting Indication for Remote Extensions.............................................599
27.14.4Call Waiting for Remote Extensions......................................................................599
27.14.5FXS Gateway Configuration..................................................................................600
27.14.6FXO Gateway Configuration..................................................................................601
Session Border Controller Application................................................................603

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28 SBC Overview..................................................................................................605
28.1 Feature List..........................................................................................................605
28.2 B2BUA and Stateful Proxy Operating Modes ......................................................606
28.3 Call Processing of SIP Dialog Requests..............................................................609
28.4 User Registration .................................................................................................611
28.4.1 Initial Registration Request Processing.................................................................611
28.4.2 Classification and Routing of Registered Users....................................................612
28.4.3 General Registration Request Processing ............................................................613
28.4.4 Registration Refreshes..........................................................................................613
28.4.5 Registration Restriction Control.............................................................................614
28.4.6 Deleting Registered Users.....................................................................................614
28.5 Media Handling....................................................................................................614
28.5.1 Media Anchoring....................................................................................................615
28.5.2 Direct Media...........................................................................................................616
28.5.3 Restricting Audio Coders.......................................................................................618
28.5.4 Coder Transcoding................................................................................................619
28.5.5 Transcoding Mode.................................................................................................623
28.5.6 Prioritizing Coder List in SDP Offer.......................................................................623
28.5.7 SRTP-RTP and SRTP-SRTP Transcoding ...........................................................624
28.5.8 Multiple RTP Media Streams per Call Session .....................................................624
28.5.9 Interworking Miscellaneous Media Handling.........................................................624
28.5.9.1 Interworking DTMF Methods................................................................. 625
28.5.9.2 Interworking RTP Redundancy............................................................. 625
28.5.9.3 Interworking RTCP Attribute in SDP..................................................... 625
28.5.9.4 Interworking Crypto Lifetime Field......................................................... 625
28.6 Fax Negotiation and Transcoding........................................................................626
28.7 Limiting SBC Call Duration...................................................................................626
28.8 SBC Authentication..............................................................................................627
28.8.1 SIP Authentication Server Functionality................................................................627
28.8.2 User Authentication based on RADIUS.................................................................628
28.9 Interworking SIP Signaling...................................................................................628
28.9.1 Interworking SIP 3xx Redirect Responses............................................................628
28.9.1.1 Resultant INVITE Traversing Device .................................................... 628
28.9.1.2 Local Handling of SIP 3xx..................................................................... 630
28.9.2 Interworking SIP Diversion and History-Info Headers...........................................630
28.9.3 Interworking SIP REFER Messages......................................................................631
28.9.4 Interworking SIP PRACK Messages .....................................................................631
28.9.5 Interworking SIP Session Timer............................................................................632
28.9.6 Interworking SIP Early Media................................................................................632
28.9.7 Interworking SIP re-INVITE Messages..................................................................634
28.9.8 Interworking SIP UPDATE Messages...................................................................634
28.9.9 Interworking SIP re-INVITE to UPDATE................................................................635
28.9.10Interworking Delayed Offer....................................................................................635
28.9.11Interworking Call Hold............................................................................................635
28.9.12Interworking SIP Via Headers ...............................................................................636
28.9.13Interworking SIP User-Agent Headers ..................................................................636
28.9.14Interworking SIP Record-Route Headers..............................................................636
28.9.15Interworking SIP To-Header Tags in Multiple SDP Answers ................................636
28.9.16Interworking In-dialog SIP Contact and Record-Route Headers...........................636

Version 7.2 13 Mediant 1000B Gateway & E-SBC
User's Manual Contents
29 Enabling the SBC Application........................................................................637
30 Utilizing Gateway Channel Resources for SBC............................................639
31 Configuring General SBC Settings................................................................641
31.1 Interworking Dialog Information in SIP NOTIFY Messages.................................641
32 Configuring Admission Control.....................................................................643
33 Routing SBC....................................................................................................647
33.1 Configuring Classification Rules ..........................................................................647
33.1.1 Classification Based on URI of Selected Header Example...................................654
33.2 Configuring Message Condition Rules.................................................................655
33.3 Configuring SBC IP-to-IP Routing........................................................................656
33.4 Configuring SIP Response Codes for Alternative Routing Reasons....................668
33.5 Configuring SBC Routing Policy Rules................................................................670
33.6 Configuring IP Group Sets...................................................................................674
34 SBC Manipulations..........................................................................................677
34.1 Configuring IP-to-IP Inbound Manipulations ........................................................679
34.2 Configuring IP-to-IP Outbound Manipulations......................................................683
35 Configuring Dial Plans....................................................................................689
35.1 Importing and Exporting Dial Plans......................................................................693
35.2 Creating Dial Plan Files........................................................................................696
35.3 Using Dial Plan Tags for IP-to-IP Routing............................................................697
35.3.1 Dial Plan Backward Compatibility..........................................................................698
35.4 Using Dial Plan Tags for Outbound Manipulation................................................699
35.5 Using Dial Plan Tags for Call Setup Rules...........................................................700
35.6 Using Dial Plan Tags for Message Manipulation .................................................700
36 Configuring Malicious Signatures.................................................................701
37 Advanced SBC Features.................................................................................703
37.1 Configuring Call Preemption for SBC Emergency Calls ......................................703
37.2 Emergency Call Routing using LDAP to Obtain ELIN..........................................704
37.3 Enabling Interworking of SIP and SIP-I Endpoints...............................................705
37.4 Call Forking..........................................................................................................707
37.4.1 Initiating SIP Call Forking ......................................................................................707
37.4.2 Configuring SIP Forking Initiated by SIP Proxy.....................................................708
37.4.3 Configuring Call Forking-based IP-to-IP Routing Rules........................................708
37.5 Call Survivability...................................................................................................708
37.5.1 Enabling Auto-Provisioning of Subscriber-Specific Information of BroadWorks
Server for Survivability........................................................................................................709
37.5.2 Configuring BroadSoft's Shared Phone Line Call Appearance for Survivability ...710
37.5.3 Configuring Call Survivability for Call Centers.......................................................711
37.5.4 Enabling Survivability Display on Aastra IP Phones .............................................713
37.6 Alternative Routing on Detection of Failed SIP Response...................................714
Cloud Resilience Package....................................................................................715

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Mediant 1000B Gateway & E-SBC
38 CRP Overview..................................................................................................717
39 CRP Configuration..........................................................................................719
39.1 Enabling the CRP Application..............................................................................719
39.2 Configuring Call Survivability Mode .....................................................................719
39.3 Pre-Configured IP Groups....................................................................................721
39.4 Pre-Configured IP-to-IP Routing Rules................................................................722
39.4.1 Normal Mode.........................................................................................................722
39.4.2 Emergency Mode...................................................................................................722
39.4.3 Auto Answer to Registrations................................................................................723
39.5 Configuring PSTN Fallback..................................................................................723
Maintenance...........................................................................................................725
40 Basic Maintenance..........................................................................................727
40.1 Resetting the Device............................................................................................727
40.2 Remotely Resetting Device using SIP NOTIFY...................................................728
40.3 Locking and Unlocking the Device.......................................................................729
40.4 Saving Configuration............................................................................................730
41 Replacing Modules..........................................................................................731
42 Channel Maintenance .....................................................................................733
42.1 Resetting an Analog Channel ..............................................................................733
42.2 Restarting a B-Channel........................................................................................733
42.3 Locking and Unlocking Trunk Groups..................................................................734
42.4 Disconnecting Active Calls...................................................................................735
42.5 Configuring Name for Telephony Ports................................................................735
43 Software Upgrade............................................................................................737
43.1 Auxiliary Files.......................................................................................................737
43.1.1 Loading Auxiliary Files...........................................................................................737
43.1.1.1 Loading Auxiliary Files through Web Interface ..................................... 738
43.1.1.2 Loading Auxiliary Files through CLI ...................................................... 739
43.1.2 Deleting Auxiliary Files ..........................................................................................739
43.1.3 Call Progress Tones File .......................................................................................739
43.1.3.1 Distinctive Ringing................................................................................. 742
43.1.4 Prerecorded Tones File.........................................................................................744
43.1.5 Voice Prompts File.................................................................................................745
43.1.6 CAS Files...............................................................................................................745
43.1.7 Dial Plan File..........................................................................................................746
43.1.7.1 Creating a Dial Plan File........................................................................ 746
43.1.7.2 Dialing Plans for Digit Collection........................................................... 747
43.1.7.3 Dial Plan Prefix Tags for IP-to-Tel Routing........................................... 749
43.1.7.4 Obtaining IP Destination from Dial Plan File......................................... 751
43.1.7.5 Modifying ISDN-to-IP Calling Party Number......................................... 752
43.1.7.6 Viewing Information of Installed Dial Plan File...................................... 753
43.1.8 User Information File .............................................................................................754
43.1.8.1 Enabling the User Info Table................................................................. 754
43.1.8.2 Gateway User Information for PBX Extensions and "Global" Numbers 754
43.1.8.3 User Information File for SBC User Database...................................... 759
43.1.8.4 Viewing the Installed User Info File Name............................................ 762
43.1.9 AMD Sensitivity File...............................................................................................763

Version 7.2 15 Mediant 1000B Gateway & E-SBC
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43.2 License Key..........................................................................................................763
43.2.1 Viewing the License Key........................................................................................763
43.2.2 Obtaining License Key for Feature Upgrade.........................................................764
43.2.3 Installing the License Key......................................................................................764
43.2.3.1 Installing License Key through Web Interface....................................... 765
43.2.3.2 Installing License Key through CLI........................................................ 766
43.3 Upgrading SBC Capacity Licenses by License Pool Manager Server.................766
43.4 Software Upgrade Wizard....................................................................................769
44 Backing Up and Loading Configuration File.................................................773
45 Automatic Provisioning..................................................................................775
45.1 Automatic Configuration Methods........................................................................775
45.1.1 DHCP-based Provisioning.....................................................................................775
45.1.1.1 Provisioning from HTTP Server using DHCP Option 67....................... 776
45.1.1.2 Provisioning from TFTP Server using DHCP Option 66....................... 777
45.1.2 HTTP-based Provisioning......................................................................................778
45.1.3 FTP-based Provisioning ........................................................................................779
45.1.4 Provisioning using AudioCodes EMS....................................................................779
45.2 HTTP/S-Based Provisioning using the Automatic Update Feature......................779
45.2.1 Files Provisioned by Automatic Update.................................................................780
45.2.2 File Location for Automatic Update .......................................................................780
45.2.3 MAC Address Placeholder in Configuration File Name.........................................781
45.2.4 File Template for Automatic Provisioning..............................................................781
45.2.5 Triggers for Automatic Update...............................................................................783
45.2.6 Access Authentication with HTTP Server..............................................................784
45.2.7 Querying Provisioning Server for Updated Files...................................................784
45.2.8 File Download Sequence.......................................................................................787
45.2.9 Cyclic Redundancy Check on Downloaded Configuration Files...........................788
45.2.10Automatic Update Configuration Examples...........................................................788
45.2.10.1Automatic Update for Single Device ..................................................... 788
45.2.10.2Automatic Update from Remote Servers .............................................. 789
45.2.10.3Automatic Update for Mass Deployment............................................... 791
46 Restoring Factory Defaults ............................................................................793
46.1 Restoring Factory Defaults through CLI...............................................................793
46.2 Restoring Factory Defaults through Web Interface..............................................793
46.3 Restoring Defaults using Hardware Reset Button................................................794
46.4 Restoring Defaults through ini File.......................................................................794
Status, Performance Monitoring and Reporting.................................................795
47 System Status .................................................................................................797
47.1 Viewing Device Information..................................................................................797
47.2 Viewing Device Status on Monitor Page..............................................................797
47.2.1 Viewing Port Information........................................................................................800
48 Viewing Carrier-Grade Alarms .......................................................................805
48.1 Viewing Active Alarms..........................................................................................805
48.2 Viewing History Alarms........................................................................................806

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Mediant 1000B Gateway & E-SBC
49 Viewing Management User Activity Logs .....................................................809
50 Viewing Performance Monitoring ..................................................................811
50.1 Viewing Trunk Utilization......................................................................................811
50.2 Viewing Call Success and Failure Ratio ..............................................................812
50.3 Viewing Average Call Duration ............................................................................814
50.4 Configuring Performance Profiles........................................................................815
51 Viewing VoIP Status........................................................................................821
51.1 Viewing Tel-IP Call Counters...............................................................................821
51.2 Viewing SBC Registered Users ...........................................................................823
51.3 Viewing Call Routing Status.................................................................................824
51.4 Viewing Registration Status.................................................................................825
51.5 Viewing IP Connectivity........................................................................................826
51.6 Viewing Gateway CDR History ............................................................................828
51.7 Viewing SBC CDR History...................................................................................829
52 Viewing PSTN Status......................................................................................831
52.1 Viewing Trunks & Channels Status......................................................................831
52.2 Viewing NFAS Groups and D-Channel Status.....................................................832
53 Viewing Network Status..................................................................................835
53.1 Viewing Active IP Interfaces.................................................................................835
53.2 Viewing Ethernet Device Status...........................................................................835
53.3 Viewing Ethernet Port Information .......................................................................835
53.4 Viewing Static Routes Status...............................................................................836
54 Reporting Information to External Party .......................................................837
54.1 Configuring RTCP XR..........................................................................................837
54.2 Generating Call Detail Records............................................................................842
54.2.1 CDR Field Description...........................................................................................842
54.2.1.1 CDR Fields for SBC Signaling .............................................................. 842
54.2.1.2 CDR Fields for SBC Media ................................................................... 848
54.2.1.3 CDR Fields for SBC Local Storage....................................................... 850
54.2.1.4 CDR Fields for Gateway Application..................................................... 851
54.2.1.5 CDR Fields for Gateway Local Storage................................................ 859
54.2.2 Customizing CDRs for Gateway Calls...................................................................861
54.2.3 Customizing CDRs for SBC Calls..........................................................................865
54.2.4 Configuring CDR Reporting...................................................................................869
54.2.5 Storing CDRs on the Device..................................................................................869
54.3 Configuring RADIUS Accounting .........................................................................871
54.4 Querying Device Channel Resources using SIP OPTIONS ................................878
Diagnostics............................................................................................................879
55 Syslog and Debug Recording ........................................................................881
55.1 Configuring Log Filter Rules.................................................................................881
55.1.1 Filtering IP Network Traces ...................................................................................885
55.2 Configuring Syslog...............................................................................................886
55.2.1 Syslog Message Format........................................................................................886

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55.2.1.1 Event Representation in Syslog Messages .......................................... 889
55.2.1.2 Identifying AudioCodes Syslog Messages using Facility Levels .......... 890
55.2.1.3 Syslog Fields for Answering Machine Detection (AMD)....................... 891
55.2.1.4 SNMP Alarms in Syslog Messages....................................................... 891
55.2.2 Enabling Syslog.....................................................................................................892
55.2.3 Configuring the Syslog Server Address.................................................................892
55.2.4 Configuring Syslog Debug Level...........................................................................892
55.2.5 Configuring Reporting of Management User Activities..........................................893
55.2.6 Viewing Syslog Messages.....................................................................................895
55.3 Configuring Debug Recording..............................................................................896
55.3.1 Configuring the Debug Recording Server Address...............................................896
55.3.2 Collecting Debug Recording Messages ................................................................897
55.3.3 Debug Capturing on Physical VoIP Interfaces ......................................................898
56 Self-Testing......................................................................................................899
57 Creating Core Dump and Debug Files upon Device Crash .........................901
58 FXO Line Testing.............................................................................................903
59 Testing SIP Signaling Calls............................................................................905
59.1 Configuring Test Call Endpoints...........................................................................905
59.2 Starting and Stopping Test Calls..........................................................................910
59.3 Viewing Test Call Status......................................................................................910
59.4 Viewing Test Call Statistics..................................................................................911
59.5 Configuring DTMF Tones for Test Calls...............................................................913
59.6 Configuring Basic Test Call..................................................................................913
59.7 Configuring SBC Test Call with External Proxy ...................................................914
59.8 Test Call Configuration Examples........................................................................916
60 Pinging a Remote Host or IP Address...........................................................919
Appendix................................................................................................................921
61 Dialing Plan Notation for Routing and Manipulation....................................923
62 Configuration Parameters Reference............................................................927
62.1 Management Parameters.....................................................................................927
62.1.1 General Parameters ..............................................................................................927
62.1.2 Web Parameters....................................................................................................928
62.1.3 Telnet Parameters.................................................................................................930
62.1.4 ini File Parameters.................................................................................................931
62.1.5 SNMP Parameters.................................................................................................931
62.1.6 Serial Parameters..................................................................................................935
62.1.7 Auxiliary and Configuration File Name Parameters ..............................................936
62.1.8 Automatic Update Parameters ..............................................................................938
62.2 Networking Parameters........................................................................................942
62.2.1 Ethernet Parameters..............................................................................................942
62.2.2 Multiple VoIP Network Interfaces and VLAN Parameters.....................................943
62.2.3 Routing Parameters...............................................................................................943
62.2.4 Open Solution Network (OSN) Parameters...........................................................944
62.2.5 Quality of Service Parameters...............................................................................944
62.2.6 NAT Parameters....................................................................................................946
62.2.7 DNS Parameters....................................................................................................947

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62.2.8 DHCP Parameters.................................................................................................948
62.2.9 NTP and Daylight Saving Time Parameters..........................................................950
62.3 Debugging and Diagnostics Parameters..............................................................952
62.3.1 General Parameters ..............................................................................................952
62.3.2 SIP Test Call Parameters......................................................................................954
62.3.3 Syslog, CDR and Debug Parameters....................................................................955
62.3.4 Resource Allocation Indication Parameters...........................................................961
62.4 Security Parameters.............................................................................................962
62.4.1 General Security Parameters................................................................................962
62.4.2 HTTPS Parameters ...............................................................................................962
62.4.3 SRTP Parameters..................................................................................................963
62.4.4 TLS Parameters.....................................................................................................965
62.4.5 SSH Parameters....................................................................................................967
62.4.6 IDS Parameters.....................................................................................................968
62.4.7 OCSP Parameters.................................................................................................969
62.5 Quality of Experience Parameters .......................................................................970
62.6 Control Network Parameters................................................................................972
62.6.1 IP Group, Proxy, Registration and Authentication Parameters.............................972
62.6.2 Network Application Parameters...........................................................................984
62.7 General SIP Parameters......................................................................................986
62.8 Coders and Profile Parameters..........................................................................1017
62.9 Channel Parameters..........................................................................................1020
62.9.1 Voice Parameters............................................................................................... 1020
62.9.2 Coder Parameters .............................................................................................. 1022
62.9.3 DTMF Parameters.............................................................................................. 1023
62.9.4 RTP, RTCP and T.38 Parameters...................................................................... 1025
62.10Gateway Application Parameters.......................................................................1029
62.10.1Fax and Modem Parameters.............................................................................. 1029
62.10.2DTMF and Hook-Flash Parameters.................................................................... 1035
62.10.3Digit Collection and Dial Plan Parameters.......................................................... 1039
62.10.4Voice Mail Parameters........................................................................................ 1041
62.10.5Supplementary Services Parameters................................................................. 1047
62.10.5.1Caller ID Parameters........................................................................... 1047
62.10.5.2Call Waiting Parameters...................................................................... 1052
62.10.5.3Call Forwarding Parameters ............................................................... 1054
62.10.5.4Message Waiting Indication Parameters............................................. 1056
62.10.5.5Call Hold Parameters.......................................................................... 1057
62.10.5.6Call Transfer Parameters.................................................................... 1059
62.10.5.7Multi-Line Extensions and Supplementary Services Parameters....... 1061
62.10.5.8Three-Way Conferencing Parameters ................................................ 1062
62.10.5.9MLPP and Emergency Call Parameters ............................................. 1064
62.10.5.10 Call Cut-Through Parameters........................................................ 1070
62.10.5.11 Automatic Dialing Parameters....................................................... 1070
62.10.5.12 Direct Inward Dialing Parameters.................................................. 1071
62.10.5.13 ISDN BRI Parameters ................................................................... 1072
62.10.5.14 Character Conversion Parameters................................................ 1073
62.10.6PSTN Parameters............................................................................................... 1074
62.10.6.1General Parameters............................................................................ 1074
62.10.6.2TDM Bus and Clock Timing Parameters............................................. 1080
62.10.6.3CAS Parameters ................................................................................. 1082
62.10.6.4ISDN Parameters................................................................................ 1085
62.10.7ISDN and CAS Interworking Parameters ........................................................... 1093
62.10.8Answer and Disconnect Supervision Parameters.............................................. 1109
62.10.9Tone Parameters................................................................................................ 1114
62.10.9.1Telephony Tone Parameters............................................................... 1115
62.10.9.2Tone Detection Parameters................................................................ 1122

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62.10.9.3Metering Tone Parameters ................................................................. 1123
62.10.10 Telephone Keypad Sequence Parameters................................................... 1124
62.10.11 FXO and FXS Parameters ............................................................................ 1128
62.10.12 Trunk Groups and Routing Parameters ........................................................ 1132
62.10.13 IP Connectivity Parameters........................................................................... 1140
62.10.14 Alternative Routing Parameters .................................................................... 1141
62.10.15 Number Manipulation Parameters................................................................. 1144
62.11SBC Parameters................................................................................................1154
62.11.1Supplementary Services..................................................................................... 1171
62.12IP Media Parameters .........................................................................................1171
62.13Services .............................................................................................................1177
62.13.1RADIUS and LDAP Parameters......................................................................... 1177
62.13.1.1General Parameters............................................................................ 1177
62.13.1.2RADIUS Parameters........................................................................... 1178
62.13.1.3LDAP Parameters ............................................................................... 1180
62.13.2Least Cost Routing Parameters ......................................................................... 1183
62.13.3Call Setup Rules Parameters............................................................................. 1183
62.13.4HTTP-based Services......................................................................................... 1184
62.13.5HTTP Proxy Parameters..................................................................................... 1185
63 Channel Capacity..........................................................................................1187
63.1 Analog (FXS/FXO) Interfaces ............................................................................1188
63.2 BRI Interfaces ....................................................................................................1188
63.3 E1/T1 Interfaces.................................................................................................1189
63.4 Media Processing Interfaces..............................................................................1190
64 Technical Specifications ..............................................................................1191

User's Manual 20 Document #: LTRT-27045
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