AudioCodes Mediant 1000B User manual

User's Manual
Mediant 1000B
Media Gateway & Enterprise Session Border
Controller (E-SBC)
Version 7.0

Version 7.0 3 Mediant 1000B Gateway and E- SBC
User's Manual Contents
Table of Contents
1Introduction .......................................................................................................27
1.1 Product Overview.................................................................................................27
1.2 Typographical Conventions..................................................................................28
1.3 Getting Familiar with Configuration Concepts and Terminology............................29
1.3.1 SBC Application.......................................................................................................29
1.3.2 Gateway Application................................................................................................33
Getting Started with Initial Connectivity................................................................37
2Introduction .......................................................................................................39
3Default OAMP IP Address.................................................................................41
4Configuring VoIP LAN Interface for OAMP .....................................................43
4.1 Web Interface.......................................................................................................43
4.2 CLI .......................................................................................................................45
Management Tools..................................................................................................47
5Introduction .......................................................................................................49
6Web-Based Management..................................................................................51
6.1 Getting Acquainted with the Web Interface...........................................................51
6.1.1 Computer Requirements..........................................................................................51
6.1.2 Accessing the Web Interface...................................................................................52
6.1.3 Areas of the GUI......................................................................................................53
6.1.4 Toolbar Description..................................................................................................54
6.1.5 Navigation Tree .......................................................................................................54
6.1.5.1 Displaying Navigation Tree in Basic and Full View..................................55
6.1.5.2 Showing / Hiding the Navigation Pane.....................................................56
6.1.6 Working with Configuration Pages ..........................................................................57
6.1.6.1 Accessing Pages......................................................................................57
6.1.6.2 Viewing Parameters.................................................................................57
6.1.6.3 Modifying and Saving Parameters...........................................................59
6.1.7 Working with Tables ................................................................................................60
6.1.7.1 Table Toolbar Description........................................................................61
6.1.7.2 Toggling Display Mode of Table Dialog Boxes ........................................62
6.1.7.3 Scrolling through Table Pages.................................................................62
6.1.7.4 Searching Table Entries...........................................................................63
6.1.7.5 Sorting Tables by Column........................................................................63
6.1.8 Searching for Configuration Parameters.................................................................64
6.1.9 Creating a Login Welcome Message.......................................................................66
6.1.10 Getting Help.............................................................................................................67
6.1.11 Logging Off the Web Interface.................................................................................68
6.2 Viewing the Home Page.......................................................................................68
6.2.1 Assigning a Port Name............................................................................................71
6.3 Configuring Web User Accounts...........................................................................71
6.3.1 Basic User Accounts Configuration.........................................................................73
6.3.2 Advanced User Accounts Configuration..................................................................75
6.4 Displaying Login Information upon Login..............................................................79

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6.5 Configuring Web Security Settings.......................................................................79
6.5.1 Configuring Secured (HTTPS) Web........................................................................79
6.5.2 Configuring Web Session and Access Settings ......................................................80
6.6 Web Login Authentication using Smart Cards.......................................................81
6.7 Configuring Web and Telnet Access List..............................................................81
7CLI-Based Management....................................................................................83
7.1 Getting Familiar with CLI ......................................................................................83
7.1.1 Understanding Configuration Modes.......................................................................83
7.1.2 Using CLI Shortcuts.................................................................................................84
7.1.3 Common CLI Commands........................................................................................85
7.1.4 Configuring Tables through CLI...............................................................................86
7.1.5 Understanding CLI Error Messages ........................................................................87
7.2 Enabling CLI.........................................................................................................87
7.2.1 Enabling Telnet for CLI............................................................................................87
7.2.2 Enabling SSH with RSA Public Key for CLI.............................................................88
7.3 Configuring Maximum Telnet/SSH Sessions ........................................................90
7.4 Establishing a CLI Session...................................................................................90
7.5 Viewing Current CLI Sessions..............................................................................91
7.6 Terminating a User's CLI Session ........................................................................92
7.7 Configuring Displayed Output Lines in CLI Terminal Window...............................92
8SNMP-Based Management...............................................................................93
8.1 Enabling SNMP....................................................................................................93
8.2 Configuring SNMP Community Strings.................................................................94
8.3 Configuring SNMP Trap Destinations...................................................................95
8.4 Configuring SNMP Trusted Managers..................................................................97
8.5 Configuring SNMP V3 Users................................................................................97
9INI File-Based Management............................................................................101
9.1 INI File Format....................................................................................................101
9.1.1 Configuring Individual ini File Parameters.............................................................101
9.1.2 Configuring Table ini File Parameters...................................................................101
9.1.3 General ini File Formatting Rules..........................................................................103
9.2 Configuring an ini File.........................................................................................103
9.3 Loading an ini File to the Device.........................................................................104
9.4 Secured Encoded ini File....................................................................................104
9.5 Configuring Password Display in ini File.............................................................105
9.6 INI Viewer and Editor Utility................................................................................106
General System Settings ......................................................................................107
10 Configuring SSL/TLS Certificates..................................................................109
10.1 Configuring TLS Certificate Contexts..................................................................109
10.2 Assigning CSR-based Certificates to TLS Contexts............................................113
10.3 Assigning Externally Created Private Keys to TLS Contexts...............................114
10.4 Generating Private Keys for TLS Contexts.........................................................115
10.5 Creating Self-Signed Certificates for TLS Contexts ............................................116
10.6 Importing Certificates and Certificate Chain into Trusted Certificate Store..........117

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10.7 Configuring Mutual TLS Authentication...............................................................118
10.7.1 TLS for SIP Clients................................................................................................118
10.7.2 TLS for Remote Device Management...................................................................119
10.8 Configuring TLS Server Certificate Expiry Check ...............................................120
11 Date and Time..................................................................................................121
11.1 Configuring Automatic Date and Time using SNTP ............................................121
11.2 Configuring Date and Time Manually..................................................................122
11.3 Configuring the Time Zone.................................................................................123
11.4 Configuring Daylight Saving Time.......................................................................123
General VoIP Configuration..................................................................................125
12 Network............................................................................................................127
12.1 Configuring Physical Ethernet Ports ...................................................................127
12.2 Configuring Ethernet Port Groups.......................................................................129
12.3 Configuring Underlying Ethernet Devices...........................................................132
12.4 Configuring IP Network Interfaces......................................................................135
12.4.1 Assigning NTP Services to Application Types ......................................................139
12.4.2 Multiple Interface Table Configuration Summary and Guidelines.........................139
12.4.3 Networking Configuration Examples .....................................................................140
12.4.3.1 One VoIP Interface for All Applications..................................................140
12.4.3.2 VoIP Interface per Application Type.......................................................140
12.4.3.3 VoIP Interfaces for Combined Application Types ..................................141
12.4.3.4 VoIP Interfaces with Multiple Default Gateways ....................................142
12.5 Configuring Static IP Routes...............................................................................142
12.5.1 Configuration Example of Static IP Routes ...........................................................144
12.5.2 Troubleshooting the Routing Table .......................................................................145
12.6 Configuring Quality of Service ............................................................................146
12.7 Configuring ICMP Messages..............................................................................148
12.8 DNS ...................................................................................................................149
12.8.1 Configuring the Internal DNS Table.......................................................................149
12.8.2 Configuring the Internal SRV Table.......................................................................150
12.9 Open Solution Network (OSN) Server ................................................................152
12.9.1 Configuring Native VLAN for OSN Server.............................................................152
12.9.2 Disabling Internal Switch Port for OSN..................................................................152
12.10Network Address Translation Support ................................................................153
12.10.1 Device Located behind NAT..................................................................................153
12.10.1.1Configuring a Static NAT IP Address for All Interfaces..........................154
12.10.1.2Configuring NAT Translation per IP Interface........................................154
12.10.2 Remote UA behind NAT........................................................................................156
12.10.2.1SIP Signaling Messages ........................................................................156
12.10.2.2Media (RTP/RTCP/T.38)........................................................................156
12.11Robust Receipt of Media Streams by Media Latching.........................................159
12.12Multiple Routers Support....................................................................................159
13 Security............................................................................................................161
13.1 Configuring Firewall Settings..............................................................................161
13.2 Configuring General Security Settings................................................................165
13.3 Intrusion Detection System.................................................................................166

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13.3.1 Enabling IDS..........................................................................................................167
13.3.2 Configuring IDS Policies........................................................................................167
13.3.3 Assigning IDS Policies...........................................................................................171
13.3.4 Viewing IDS Alarms...............................................................................................173
14 Media................................................................................................................175
14.1 Configuring Voice Settings .................................................................................175
14.1.1 Configuring Voice Gain (Volume) Control .............................................................175
14.1.2 Silence Suppression (Compression).....................................................................176
14.1.3 Configuring Echo Cancellation ..............................................................................176
14.2 Fax and Modem Capabilities ..............................................................................177
14.2.1 Fax/Modem Operating Modes...............................................................................178
14.2.2 Fax/Modem Transport Modes ...............................................................................179
14.2.2.1 T.38 Fax Relay Mode.............................................................................179
14.2.2.2 G.711 Fax / Modem Transport Mode.....................................................181
14.2.2.3 Fax Fallback...........................................................................................182
14.2.2.4 Fax/Modem Bypass Mode......................................................................183
14.2.2.5 Fax / Modem NSE Mode........................................................................184
14.2.2.6 Fax / Modem Transparent with Events Mode ........................................185
14.2.2.7 Fax / Modem Transparent Mode............................................................185
14.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection .............................186
14.2.3 V.34 Fax Support...................................................................................................186
14.2.3.1 Bypass Mechanism for V.34 Fax Transmission.....................................187
14.2.3.2 Relay Mode for T.30 and V.34 Faxes ....................................................187
14.2.4 V.152 Support........................................................................................................188
14.3 Configuring RTP/RTCP Settings.........................................................................189
14.3.1 Configuring the Dynamic Jitter Buffer....................................................................189
14.3.2 Comfort Noise Generation.....................................................................................190
14.3.3 Configuring DTMF Transport Types......................................................................191
14.3.4 Configuring RFC 2833 Payload.............................................................................192
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.....203
14.6 Automatic Gain Control (AGC) ...........................................................................204
14.7 Configuring Analog Settings...............................................................................205
14.8 Configuring Ground- or Loop-Start Signaling per Analog Port ............................205
14.9 Configuring DSP Templates...............................................................................206
14.10DSP Channel Resources for Transcoding..........................................................207
14.11Configuring 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 ....................................................................................222
15.2.1 Enabling RADIUS Services ...................................................................................222

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15.2.2 Configuring RADIUS Servers ................................................................................222
15.2.3 Configuring Interface for RADIUS Communication ...............................................225
15.2.4 Configuring General RADIUS Parameters............................................................225
15.2.5 RADIUS-based Management User Authentication ...............................................225
15.2.5.1 Setting Up a Third-Party RADIUS Server ..............................................226
15.2.5.2 Configuring RADIUS-based User Authentication...................................227
15.2.5.3 Securing RADIUS Communication ........................................................229
15.2.5.4 RADIUS-based User Authentication in URL..........................................229
15.2.6 RADIUS-based CDR Accounting ..........................................................................230
15.3 LDAP-based Management and SIP Services .....................................................230
15.3.1 Enabling the LDAP Service ...................................................................................231
15.3.2 Enabling LDAP-based Web/CLI User Login Authentication and Authorization.....232
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........................................239
15.3.6 Configuring the LDAP Search Filter Attribute........................................................240
15.3.7 Configuring Access Level per Management Groups Attributes.............................241
15.3.8 Configuring the Device's LDAP Cache..................................................................243
15.3.8.1 Refreshing the LDAP Cache..................................................................244
15.3.8.2 Clearing the LDAP Cache......................................................................246
15.3.9 Configuring Local Database for Management User Authentication ......................246
15.3.10 LDAP-based Login Authentication Example..........................................................247
15.3.11 Enabling LDAP Searches for Numbers with Characters.......................................252
15.3.12 Active Directory-based Routing for Microsoft Lync ...............................................252
15.3.12.1Querying the AD and Routing Priority....................................................253
15.3.12.2Configuring AD-Based Routing Rules....................................................256
15.3.12.3Querying the AD for Calling Name.........................................................258
15.4 Least Cost Routing.............................................................................................259
15.4.1 Overview................................................................................................................259
15.4.2 Configuring LCR ....................................................................................................261
15.4.2.1 Configuring Cost Groups........................................................................261
15.4.2.2 Configuring Time Bands for Cost Groups..............................................262
15.4.2.3 Assigning Cost Groups to Routing Rules...............................................264
15.5 HTTP-based Remote Services...........................................................................265
15.5.1 Configuring HTTP Services...................................................................................265
15.5.2 Configuring Remote HTTP Hosts..........................................................................269
15.5.3 Centralized Third-Party Routing Server or ARM ...................................................270
15.6 HTTP-based Proxy Services ..............................................................................273
15.6.1 Enabling the HTTP Proxy Application ...................................................................274
15.6.2 Configuring HTTP Interfaces.................................................................................274
15.6.3 Configuring HTTP Proxy Services.........................................................................276
15.6.4 Configuring HTTP Proxy Hosts .............................................................................277
15.6.5 Configuring an HTTP-based EMS Service............................................................279
15.7 Configuring Call Setup Rules..............................................................................281
15.7.1 Call Setup Rule Examples.....................................................................................285
15.8 Enhanced 9-1-1 Support for Lync Server............................................................287
15.8.1 About E9-1-1 Services...........................................................................................287
15.8.2 Microsoft Lync Server and E9-1-1.........................................................................288
15.8.2.1 Gathering Location Information of Lync Clients for 911 Calls................288
15.8.2.2 Adding ELINs to the Location Information Server..................................290
15.8.2.3 Passing Location Information to the PSTN Emergency Provider ..........291
15.8.3 AudioCodes ELIN Device for Lync Server E9-1-1 Calls to PSTN.........................292
15.8.3.1 Detecting and Handling E9-1-1 Calls.....................................................293
15.8.3.2 Pre-empting Existing Calls for E9-1-1 Calls...........................................295
15.8.3.3 PSAP Callback to Lync Clients for Dropped E9-1-1 Calls .....................295

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15.8.3.4 Selecting ELIN for Multiple Calls within Same ERL...............................296
15.8.3.5 Location Based Emergency Routing......................................................297
15.8.4 Configuring AudioCodes ELIN Device...................................................................297
15.8.4.1 Enabling the E9-1-1 Feature..................................................................297
15.8.4.2 Configuring the E9-1-1 Callback Timeout..............................................297
15.8.4.3 Configuring the SIP Release Cause Code for Failed E9-1-1 Calls........298
15.8.4.4 Configuring SBC IP-to-IP Routing Rule for E9-1-1 ................................298
15.8.4.5 Configuring Location-Based Emergency Routing..................................298
15.8.4.6 Viewing the ELIN Table..........................................................................300
16 Quality of Experience......................................................................................301
16.1 Reporting Voice Quality of Experience to SEM...................................................301
16.1.1 Configuring the SEM Server..................................................................................301
16.1.2 Configuring Clock Synchronization between Device and SEM.............................302
16.1.3 Enabling RTCP XR Reporting to SEM ..................................................................302
16.2 Configuring Quality of Experience Profiles..........................................................303
16.3 Configuring Bandwidth Profiles...........................................................................307
16.4 Configuring Media Enhancement Profiles...........................................................310
17 Control Network ..............................................................................................313
17.1 Configuring Media Realms .................................................................................313
17.1.1 Configuring Remote Media Subnets......................................................................316
17.1.2 Configuring Media Realm Extensions ...................................................................318
17.2 Configuring SRDs...............................................................................................320
17.2.1 Filtering Tables in Web Interface by SRD .............................................................325
17.2.2 Multiple SRDs for Multi-tenant Deployments.........................................................325
17.2.3 Cloning SRDs ........................................................................................................328
17.2.4 Color-Coding of SRDs in Web Interface................................................................329
17.2.5 Automatic Configuration based on SRD................................................................329
17.3 Configuring SIP Interfaces..................................................................................329
17.4 Configuring IP Groups........................................................................................336
17.5 Configuring Proxy Sets.......................................................................................348
18 SIP Definitions.................................................................................................357
18.1 Configuring SIP Parameters...............................................................................357
18.2 Configuring Registration Accounts......................................................................357
18.2.1 Regular Registration Mode....................................................................................360
18.2.2 Single Registration for Multiple Phone Numbers using GIN..................................360
18.3 Configuring Proxy and Registration Parameters.................................................362
18.3.1 SIP Message Authentication Example ..................................................................363
18.4 Configuring SIP Message Manipulation..............................................................365
18.5 Configuring SIP Message Policy Rules...............................................................371
19 Coders and Profiles ........................................................................................375
19.1 Configuring Default Coders ................................................................................375
19.2 Configuring Coder Groups..................................................................................379
19.3 Configuring Tel Profile........................................................................................381
19.4 Configuring IP Profiles........................................................................................385
Gateway Application .............................................................................................421

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20 Introduction .....................................................................................................423
20.1 Call Processing Summary ..................................................................................424
21 Digital PSTN.....................................................................................................427
21.1 Configuring Trunk Settings.................................................................................427
21.2 TDM and Timing.................................................................................................431
21.2.1 Configuring TDM Bus Settings ..............................................................................431
21.2.2 Clock Settings........................................................................................................431
21.2.2.1 Recovering Clock from PSTN Line Interface .........................................431
21.2.2.2 Configuring Internal Clock as Clock Source...........................................432
21.3 Configuring CAS State Machines .......................................................................433
21.4 Configuring Digital Gateway Parameters............................................................436
21.5 Tunneling Applications .......................................................................................437
21.5.1 TDM Tunneling ......................................................................................................437
21.5.1.1 DSP Pattern Detector.............................................................................440
21.5.2 QSIG Tunneling.....................................................................................................440
21.6 ISDN Non-Facility Associated Signaling (NFAS) ................................................442
21.6.1 NFAS Interface ID..................................................................................................442
21.6.2 Working with DMS-100 Switches ..........................................................................443
21.6.3 Creating an NFAS-Related Trunk Configuration...................................................444
21.6.4 Performing Manual D-Channel Switchover in NFAS Group..................................444
21.7 ISDN Overlap Dialing .........................................................................................445
21.7.1 Collecting ISDN Digits and Sending Complete Number in SIP.............................445
21.7.2 Interworking ISDN Overlap Dialing with SIP According to RFC 3578...................446
21.8 Redirect Number and Calling Name (Display) ....................................................448
22 Trunk Groups ..................................................................................................449
22.1 Configuring Trunk Groups ..................................................................................449
22.2 Configuring Trunk Group Settings Table.............................................................451
23 Manipulation....................................................................................................457
23.1 Configuring General Settings..............................................................................457
23.2 Configuring Source/Destination Number Manipulation Rules..............................457
23.3 Manipulating Number Prefix ...............................................................................463
23.4 SIP Calling Name Manipulations ........................................................................464
23.5 Configuring Redirect Number IP to Tel...............................................................467
23.6 Manipulating Redirected and Diverted Numbers for Call Diversion.....................471
23.7 Mapping NPI/TON to SIP Phone-Context...........................................................472
23.8 Configuring Release Cause Mapping .................................................................473
23.8.1 SIP-to-ISDN Release Cause Mapping ..................................................................473
23.8.1.1 Configuring SIP-to-ISDN Release Cause Mapping ...............................473
23.8.1.2 Fixed Mapping of SIP Response to ISDN Release Reason..................475
23.8.2 ISDN-to-SIP Release Cause Mapping ..................................................................476
23.8.2.1 Configuring ISDN-to-SIP Release Cause Mapping ...............................476
23.8.2.2 Fixed Mapping of ISDN Release Reason to SIP Response..................477
23.8.3 Configuring ISDN-to-ISDN Release Cause Mapping............................................479
23.8.4 Reason Header......................................................................................................481
23.8.5 Mapping PSTN Release Cause to SIP Response ................................................481
23.9 Numbering Plans and Type of Number...............................................................482

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24 Routing.............................................................................................................483
24.1 Configuring General Routing Parameters...........................................................483
24.2 Configuring Tel-to-IP Routing Rules ...................................................................483
24.3 Configuring IP-to-Trunk Group Routing Rules ....................................................494
24.4 Configuring a Gateway Routing Policy Rule .......................................................499
24.5 IP Destinations Connectivity Feature..................................................................501
24.6 Alternative Routing for Tel-to-IP Calls.................................................................502
24.6.1 Alternative Routing Based on IP Connectivity.......................................................502
24.6.2 Alternative Routing Based on SIP Responses......................................................503
24.6.3 Alternative Routing upon SIP 3xx with Multiple Contacts......................................506
24.6.4 PSTN Fallback.......................................................................................................506
24.7 Alternative Routing for IP-to-Tel Calls.................................................................507
24.7.1 Alternative Routing to Trunk upon Q.931 Call Release Cause Code ...................507
24.7.2 Alternative Routing to an IP Destination upon a Busy Trunk ................................508
24.7.3 Alternative Routing upon ISDN Disconnect...........................................................510
24.7.4 Alternative Routing from FXO to IP.......................................................................510
25 Configuring DTMF and Dialing.......................................................................511
25.1 Dialing Plan Features.........................................................................................511
25.1.1 Digit Mapping.........................................................................................................511
25.1.2 External Dial Plan File ...........................................................................................513
25.2 Interworking Keypad DTMFs for SIP-to-ISDN Calls............................................514
26 Configuring Supplementary Services ...........................................................515
26.1 Call Hold and Retrieve........................................................................................517
26.2 Call Pickup .........................................................................................................519
26.3 BRI Suspend and Resume.................................................................................519
26.4 Consultation Feature..........................................................................................520
26.5 Call Transfer.......................................................................................................520
26.5.1 Consultation Call Transfer.....................................................................................520
26.5.2 Consultation Transfer for QSIG Path Replacement..............................................521
26.5.3 Blind Call Transfer .................................................................................................521
26.6 Call Forward.......................................................................................................522
26.6.1 Call Forward Reminder Ring .................................................................................523
26.6.2 Call Forward Reminder (Off-Hook) Special Dial Tone ..........................................524
26.6.3 Call Forward Reminder Dial Tone (Off-Hook) upon Spanish SIP Alert-Info..........524
26.6.4 BRI Call Forwarding...............................................................................................525
26.7 Call Waiting........................................................................................................526
26.8 Message Waiting Indication................................................................................526
26.9 Caller ID.............................................................................................................528
26.9.1 Caller ID Detection / Generation on the Tel Side ..................................................528
26.9.2 Debugging a Caller ID Detection on FXO..............................................................529
26.9.3 Caller ID on the IP Side.........................................................................................530
26.10Three-Way Conferencing....................................................................................530
26.11Emergency E911 Phone Number Services.........................................................533
26.11.1 FXS Device Emulating PSAP using DID Loop-Start Lines....................................533
26.11.2 FXO Device Interworking SIP E911 Calls from Service Provider's IP Network to
PSAP DID Lines .................................................................................................................536
26.11.3 Pre-empting Existing Calls for E911 IP-to-Tel Calls..............................................539
26.12Multilevel Precedence and Preemption...............................................................540
26.12.1 MLPP Preemption Events in SIP Reason Header ................................................542

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26.12.2 Precedence Ring Tone..........................................................................................543
26.13Denial of Collect Calls ........................................................................................543
26.14Configuring Multi-Line Extensions and Supplementary Services ........................544
26.15Detecting Collect Calls .......................................................................................547
26.16Advice of Charge Services for Euro ISDN ..........................................................547
26.17Configuring Charge Codes.................................................................................548
26.18Configuring Voice Mail........................................................................................551
26.19Converting Accented Characters from IP to Tel..................................................553
27 Analog Gateway ..............................................................................................555
27.1 Configuring Keypad Features.............................................................................555
27.2 Configuring Metering Tones ...............................................................................556
27.3 Configuring FXO Settings...................................................................................557
27.4 Configuring Authentication..................................................................................558
27.5 Configuring Automatic Dialing ............................................................................560
27.6 Configuring Caller Display Information................................................................561
27.7 Configuring Call Forward....................................................................................563
27.8 Configuring Caller ID Permissions......................................................................564
27.9 Configuring Call Waiting.....................................................................................566
27.10Rejecting Anonymous Calls................................................................................567
27.11Configuring FXS Distinctive Ringing and Call Waiting Tones per
Source/Destination Number.........................................................................................567
27.12FXS/FXO Coefficient Types................................................................................569
27.13FXO Operating Modes........................................................................................570
27.13.1 FXO Operations for IP-to-Tel Calls........................................................................570
27.13.1.1One-Stage Dialing..................................................................................570
27.13.1.2Two-Stage Dialing..................................................................................571
27.13.1.3DID Wink ................................................................................................572
27.13.2 FXO Operations for Tel-to-IP Calls........................................................................572
27.13.2.1Automatic Dialing ...................................................................................572
27.13.2.2Collecting Digits Mode............................................................................573
27.13.2.3FXO Supplementary Services................................................................574
27.13.3 Call Termination on FXO Devices .........................................................................574
27.13.3.1Calls Termination by PBX ......................................................................574
27.13.3.2Call Termination before Call Establishment...........................................575
27.13.3.3Ring Detection Timeout..........................................................................575
27.14Remote PBX Extension between FXO and FXS Devices ...................................577
27.14.1 Dialing from Remote Extension (Phone at FXS)...................................................578
27.14.2 Dialing from PBX Line or PSTN.............................................................................578
27.14.3 Message Waiting Indication for Remote Extensions.............................................578
27.14.4 Call Waiting for Remote Extensions......................................................................579
27.14.5 FXS Gateway Configuration..................................................................................579
27.14.6 FXO Gateway Configuration..................................................................................580
Session Border Controller Application................................................................583
28 SBC Overview..................................................................................................585
28.1 Feature List ........................................................................................................585
28.2 B2BUA and Stateful Proxy Operating Modes......................................................586

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28.3 Call Processing of SIP Dialog Requests.............................................................589
28.4 User Registration................................................................................................591
28.4.1 Initial Registration Request Processing.................................................................591
28.4.2 Classification and Routing of Registered Users....................................................592
28.4.3 General Registration Request Processing ............................................................593
28.4.4 Registration Refreshes..........................................................................................593
28.4.5 Registration Restriction Control.............................................................................594
28.4.6 Deleting Registered Users.....................................................................................594
28.5 Media Handling ..................................................................................................594
28.5.1 Media Anchoring....................................................................................................595
28.5.2 Direct Media...........................................................................................................596
28.5.3 Restricting Audio Coders.......................................................................................598
28.5.4 Coder Transcoding................................................................................................599
28.5.5 Transcoding Mode.................................................................................................602
28.5.6 Prioritizing Coder List in SDP Offer.......................................................................603
28.5.7 SRTP-RTP and SRTP-SRTP Transcoding ...........................................................603
28.5.8 Multiple RTP Media Streams per Call Session .....................................................604
28.5.9 Interworking Miscellaneous Media Handling.........................................................604
28.5.9.1 Interworking DTMF Methods..................................................................604
28.5.9.2 Interworking RTP Redundancy..............................................................604
28.5.9.3 Interworking RTCP Attribute in SDP......................................................605
28.5.9.4 Interworking Crypto Lifetime Field..........................................................605
28.6 Fax Negotiation and Transcoding.......................................................................605
28.7 Limiting SBC Call Duration.................................................................................606
28.8 SBC Authentication ............................................................................................606
28.8.1 SIP Authentication Server Functionality................................................................606
28.8.2 User Authentication based on RADIUS.................................................................607
28.9 Interworking SIP Signaling..................................................................................608
28.9.1 Interworking SIP 3xx Redirect Responses............................................................608
28.9.1.1 Resultant INVITE Traversing Device .....................................................608
28.9.1.2 Local Handling of SIP 3xx......................................................................609
28.9.2 Interworking SIP Diversion and History-Info Headers...........................................610
28.9.3 Interworking SIP REFER Messages......................................................................610
28.9.4 Interworking SIP PRACK Messages .....................................................................611
28.9.5 Interworking SIP Session Timer............................................................................611
28.9.6 Interworking SIP Early Media ................................................................................612
28.9.7 Interworking SIP re-INVITE Messages..................................................................614
28.9.8 Interworking SIP UPDATE Messages...................................................................615
28.9.9 Interworking SIP re-INVITE to UPDATE................................................................615
28.9.10 Interworking Delayed Offer....................................................................................615
28.9.11 Interworking Call Hold............................................................................................615
28.9.12 Interworking SIP Via Headers ...............................................................................616
28.9.13 Interworking SIP User-Agent Headers ..................................................................616
28.9.14 Interworking SIP Record-Route Headers..............................................................616
28.9.15 Interworking SIP To-Header Tags in Multiple SDP Answers ................................617
28.9.16 Interworking In-dialog SIP Contact and Record-Route Headers...........................617
29 Enabling the SBC Application........................................................................619
30 Utilizing Gateway Channel Resources for SBC............................................621
31 Configuring General SBC Settings................................................................623
31.1 Interworking Dialog Information in SIP NOTIFY Messages.................................623

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32 Configuring Admission Control.....................................................................627
33 Configuring Coder Groups.............................................................................631
33.1 Configuring Allowed Audio Coder Groups ..........................................................631
33.2 Configuring Allowed Video Coder Groups ..........................................................633
34 Routing SBC....................................................................................................635
34.1 Configuring Classification Rules.........................................................................635
34.1.1 Classification Based on URI of Selected Header Example...................................641
34.2 Configuring Message Condition Rules................................................................642
34.3 Configuring SBC IP-to-IP Routing.......................................................................644
34.4 Configuring SIP Response Codes for Alternative Routing Reasons ...................655
34.5 Configuring SBC Routing Policy Rules...............................................................657
35 SBC Manipulations..........................................................................................661
35.1 Configuring IP-to-IP Inbound Manipulations .......................................................663
35.2 Configuring IP-to-IP Outbound Manipulations.....................................................667
36 Configuring Dial Plans....................................................................................673
36.1 Importing and Exporting Dial Plans.....................................................................677
36.2 Creating Dial Plan Files......................................................................................678
36.3 Using Dial Plan Tags for IP-to-IP Routing...........................................................678
36.3.1 Dial Plan Backward Compatibility..........................................................................680
36.4 Using Dial Plan Tags for Outbound Manipulation ...............................................682
37 Advanced SBC Features.................................................................................683
37.1 Configuring Call Preemption for SBC Emergency Calls......................................683
37.2 Emergency Call Routing using LDAP to Obtain ELIN.........................................684
37.3 Call Forking........................................................................................................685
37.3.1 Initiating SIP Call Forking ......................................................................................685
37.3.2 SIP Forking Initiated by SIP Proxy Server.............................................................685
37.3.3 Call Forking-based IP-to-IP Routing Rules............................................................686
37.4 Call Survivability.................................................................................................687
37.4.1 Auto-Provisioning of Subscriber-Specific Information for BroadWorks Server for
Survivability.........................................................................................................................687
37.4.2 BroadSoft's Shared Phone Line Call Appearance for SBC Survivability...............688
37.4.3 Call Survivability for Call Centers ..........................................................................689
37.4.4 Survivability Mode Display on Aastra IP Phones ..................................................691
37.5 Alternative Routing on Detection of Failed SIP Response..................................692
Cloud Resilience Package....................................................................................693
38 CRP Overview..................................................................................................695
39 CRP Configuration..........................................................................................697
39.1 Enabling the CRP Application.............................................................................697
39.2 Configuring Call Survivability Mode ....................................................................698
39.3 Pre-Configured IP Groups..................................................................................699
39.4 Pre-Configured IP-to-IP Routing Rules...............................................................700

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39.4.1 Normal Mode .........................................................................................................700
39.4.2 Emergency Mode...................................................................................................701
39.4.3 Auto Answer to Registrations ................................................................................701
39.5 Configuring PSTN Fallback ................................................................................702
Maintenance...........................................................................................................703
40 Basic Maintenance..........................................................................................705
40.1 Resetting the Device ..........................................................................................705
40.2 Remotely Resetting Device using SIP NOTIFY ..................................................707
40.3 Locking and Unlocking the Device......................................................................707
40.4 Saving Configuration..........................................................................................708
41 Replacing Modules..........................................................................................709
42 Channel Maintenance .....................................................................................711
42.1 Resetting an Analog Channel.............................................................................711
42.2 Disconnecting Active Calls .................................................................................711
42.3 Restarting a B-Channel......................................................................................712
42.4 Locking and Unlocking Trunk Groups.................................................................712
43 Software Upgrade............................................................................................715
43.1 Auxiliary Files.....................................................................................................715
43.1.1 Loading Auxiliary Files...........................................................................................715
43.1.1.1 Loading Auxiliary Files through Web Interface ......................................716
43.1.1.2 Loading Auxiliary Files through CLI .......................................................717
43.1.1.3 Loading Auxiliary Files through ini File using TFTP...............................717
43.1.2 Deleting Auxiliary Files ..........................................................................................718
43.1.3 Call Progress Tones File .......................................................................................718
43.1.3.1 Distinctive Ringing..................................................................................721
43.1.4 Prerecorded Tones File.........................................................................................722
43.1.5 Voice Prompts File.................................................................................................723
43.1.6 CAS Files...............................................................................................................724
43.1.7 Dial Plan File..........................................................................................................724
43.1.7.1 Creating a Dial Plan File.........................................................................724
43.1.7.2 Dialing Plans for Digit Collection............................................................725
43.1.7.3 Dial Plan Prefix Tags for Routing...........................................................727
43.1.7.4 Obtaining IP Destination from Dial Plan File..........................................729
43.1.7.5 Modifying ISDN-to-IP Calling Party Number..........................................730
43.1.7.6 Viewing Information of Installed Dial Plan File.......................................731
43.1.8 User Information File .............................................................................................731
43.1.8.1 Enabling the User Info Table..................................................................731
43.1.8.2 Gateway User Information for PBX Extensions and "Global" Numbers.732
43.1.8.3 User Information File for SBC User Database.......................................736
43.1.8.4 Viewing the Installed User Info File Name.............................................739
43.1.9 AMD Sensitivity File...............................................................................................739
43.2 Software License Key.........................................................................................739
43.2.1 Obtaining the Software License Key File...............................................................740
43.2.2 Installing the Software License Key.......................................................................741
43.2.2.1 Installing Software License Key through Web Interface ........................741
43.2.2.2 Installing Software License Key through CLI .........................................742
43.3 Upgrading SBC Capacity Licenses by License Pool Manager Server.................742
43.4 Software Upgrade Wizard...................................................................................744

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43.5 Backing Up and Loading Configuration File........................................................749
44 Automatic Provisioning..................................................................................751
44.1 Automatic Configuration Methods.......................................................................751
44.1.1 DHCP-based Provisioning.....................................................................................751
44.1.1.1 Provisioning from HTTP Server using DHCP Option 67........................752
44.1.1.2 Provisioning from TFTP Server using DHCP Option 66 ........................753
44.1.2 HTTP-based Provisioning......................................................................................753
44.1.3 FTP-based Provisioning ........................................................................................754
44.1.4 Provisioning using AudioCodes EMS....................................................................754
44.2 HTTP/S-Based Provisioning using the Automatic Update Feature......................754
44.2.1 Files Provisioned by Automatic Update.................................................................755
44.2.2 File Location for Automatic Update .......................................................................755
44.2.3 Triggers for Automatic Update...............................................................................756
44.2.4 Access Authentication with HTTP Server..............................................................758
44.2.5 Querying Provisioning Server for Updated Files ...................................................758
44.2.6 File Download Sequence.......................................................................................760
44.2.7 Cyclic Redundancy Check on Downloaded Configuration Files ...........................761
44.2.8 MAC Address Placeholder in Configuration File Name.........................................762
44.2.9 File Template for Automatic Provisioning..............................................................762
44.2.10 Automatic Update Configuration Examples...........................................................764
44.2.10.1Automatic Update for Single Device ......................................................764
44.2.10.2Automatic Update from FTP and HTTP Servers....................................766
44.2.10.3Automatic Update for Mass Deployment................................................767
45 Restoring Factory Defaults ............................................................................771
45.1 Restoring Factory Defaults through CLI..............................................................771
45.2 Restoring Factory Defaults through Web Interface.............................................771
45.3 Restoring Defaults using Hardware Reset Button...............................................772
45.4 Restoring Defaults through ini File......................................................................772
46 Archiving the Configuration File....................................................................773
Status, Performance Monitoring and Reporting.................................................775
47 System Status .................................................................................................777
47.1 Viewing Device Information................................................................................777
47.2 Viewing Ethernet Port Information......................................................................777
48 Carrier-Grade Alarms......................................................................................779
48.1 Viewing Active Alarms........................................................................................779
48.2 Viewing History Alarms.......................................................................................779
49 Performance Monitoring.................................................................................781
49.1 Viewing MOS per Media Realm..........................................................................781
49.2 Viewing Trunk Utilization ....................................................................................782
49.3 Viewing Quality of Experience............................................................................783
49.4 Viewing Average Call Duration...........................................................................784
50 VoIP Status......................................................................................................787
50.1 Viewing Trunks & Channels Status.....................................................................787

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50.2 Viewing Analog Port Information.........................................................................788
50.3 Viewing NFAS Groups and D-Channel Status....................................................789
50.4 Viewing Active IP Interfaces...............................................................................790
50.5 Viewing Ethernet Device Status..........................................................................790
50.6 Viewing Static Routes Status..............................................................................790
50.7 Viewing Performance Statistics ..........................................................................791
50.8 Viewing CDR History..........................................................................................791
50.9 Viewing Call Counters........................................................................................793
50.10Viewing Registered Users ..................................................................................795
50.11Viewing Registration Status................................................................................795
50.12Viewing Call Routing Status ...............................................................................796
50.13Viewing IP Connectivity......................................................................................797
51 Reporting Information to External Party.......................................................801
51.1 Configuring RTCP XR ........................................................................................801
51.2 Generating Call Detail Records ..........................................................................805
51.2.1 CDR Field Description...........................................................................................805
51.2.1.1 CDR Fields for SBC Signaling ...............................................................805
51.2.1.2 CDR Fields for SBC Media.....................................................................809
51.2.1.3 CDR Fields for Gateway Application......................................................810
51.2.1.4 CDR Fields for Locally Stored SBC .......................................................816
51.2.2 Customizing CDRs for Gateway Calls...................................................................818
51.2.3 Customizing CDRs for SBC Calls..........................................................................821
51.2.4 Configuring CDR Reporting...................................................................................824
51.2.5 Storing CDRs on the Device..................................................................................825
51.3 Configuring RADIUS Accounting........................................................................827
51.4 Querying Device Channel Resources using SIP OPTIONS................................832
Diagnostics............................................................................................................833
52 Syslog and Debug Recording ........................................................................835
52.1 Configuring Log Filter Rules ...............................................................................835
52.1.1 Filtering IP Network Traces ...................................................................................839
52.2 Configuring Syslog .............................................................................................840
52.2.1 Syslog Message Format........................................................................................840
52.2.1.1 Event Representation in Syslog Messages............................................842
52.2.1.2 Identifying AudioCodes Syslog Messages using Facility Levels............844
52.2.1.3 Syslog Fields for Answering Machine Detection (AMD) ........................845
52.2.1.4 SNMP Alarms in Syslog Messages........................................................845
52.2.2 Configuring Web User Activities to Report to Syslog ............................................846
52.2.3 Configuring Syslog Debug Level ...........................................................................847
52.2.4 Configuring Address of Syslog Server...................................................................848
52.2.5 Enabling Syslog.....................................................................................................848
52.2.6 Viewing Syslog Messages.....................................................................................849
52.2.7 Viewing Web User Activity Logs............................................................................850
52.3 Configuring Debug Recording ............................................................................851
52.3.1 Configuring Address of Debug Recording Server .................................................851
52.3.2 Collecting Debug Recording Messages ................................................................851
52.3.3 Debug Capturing on Physical VoIP Interfaces ......................................................852

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53 Self-Testing......................................................................................................855
54 Creating Core Dump and Debug Files upon Device Crash .........................857
55 FXO Line Testing.............................................................................................859
56 Testing SIP Signaling Calls............................................................................861
56.1 Configuring Test Call Endpoints .........................................................................861
56.2 Starting and Stopping Test Calls ........................................................................865
56.3 Viewing Test Call Statistics.................................................................................866
56.4 Configuring DTMF Tones for Test Calls..............................................................867
56.5 Configuring Basic Test Call ................................................................................868
56.6 Configuring SBC Test Call with External Proxy...................................................869
56.7 Test Call Configuration Examples.......................................................................870
57 Pinging a Remote Host or IP Address...........................................................873
Appendix................................................................................................................875
58 Dialing Plan Notation for Routing and Manipulation....................................877
59 Configuration Parameters Reference............................................................881
59.1 Management Parameters...................................................................................881
59.1.1 General Parameters ..............................................................................................881
59.1.2 Web Parameters....................................................................................................882
59.1.3 Telnet Parameters.................................................................................................884
59.1.4 ini File Parameters.................................................................................................885
59.1.5 SNMP Parameters.................................................................................................885
59.1.6 Serial Parameters..................................................................................................889
59.1.7 Auxiliary and Configuration File Name Parameters ..............................................890
59.1.8 Automatic Update Parameters ..............................................................................891
59.2 Networking Parameters......................................................................................895
59.2.1 Ethernet Parameters..............................................................................................895
59.2.2 Multiple VoIP Network Interfaces and VLAN Parameters.....................................896
59.2.3 Routing Parameters...............................................................................................897
59.2.4 Open Solution Network (OSN) Parameters...........................................................897
59.2.5 Quality of Service Parameters...............................................................................898
59.2.6 NAT Parameters....................................................................................................899
59.2.7 DNS Parameters....................................................................................................900
59.2.8 DHCP Parameters.................................................................................................901
59.2.9 NTP and Daylight Saving Time Parameters..........................................................903
59.3 Debugging and Diagnostics Parameters.............................................................905
59.3.1 General Parameters ..............................................................................................905
59.3.2 SIP Test Call Parameters......................................................................................907
59.3.3 Syslog, CDR and Debug Parameters....................................................................908
59.3.4 Resource Allocation Indication Parameters...........................................................914
59.4 Security Parameters...........................................................................................915
59.4.1 General Security Parameters ................................................................................916
59.4.2 HTTPS Parameters ...............................................................................................917
59.4.3 SRTP Parameters..................................................................................................918
59.4.4 TLS Parameters.....................................................................................................919
59.4.5 SSH Parameters....................................................................................................921
59.4.6 IDS Parameters .....................................................................................................923

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59.4.7 OCSP Parameters.................................................................................................924
59.5 Quality of Experience Parameters......................................................................925
59.6 Control Network Parameters ..............................................................................928
59.6.1 IP Group, Proxy, Registration and Authentication Parameters.............................928
59.6.2 Network Application Parameters ...........................................................................939
59.7 General SIP Parameters ....................................................................................942
59.8 Coders and Profile Parameters...........................................................................971
59.9 Channel Parameters...........................................................................................974
59.9.1 Voice Parameters..................................................................................................974
59.9.2 Coder Parameters .................................................................................................976
59.9.3 DTMF Parameters.................................................................................................977
59.9.4 RTP, RTCP and T.38 Parameters.........................................................................978
59.10Gateway Application Parameters........................................................................983
59.10.1 Fax and Modem Parameters.................................................................................983
59.10.2 DTMF and Hook-Flash Parameters.......................................................................988
59.10.3 Digit Collection and Dial Plan Parameters.............................................................992
59.10.4 Voice Mail Parameters...........................................................................................995
59.10.5 Supplementary Services Parameters..................................................................1000
59.10.5.1Caller ID Parameters............................................................................1000
59.10.5.2Call Waiting Parameters.......................................................................1005
59.10.5.3Call Forwarding Parameters ................................................................1007
59.10.5.4Message Waiting Indication Parameters..............................................1008
59.10.5.5Call Hold Parameters ...........................................................................1010
59.10.5.6Call Transfer Parameters.....................................................................1011
59.10.5.7Multi-Line Extensions and Supplementary Services Parameters........1013
59.10.5.8Three-Way Conferencing Parameters .................................................1014
59.10.5.9MLPP and Emergency Call Parameters ..............................................1016
59.10.5.10 Call Cut-Through Parameters.........................................................1022
59.10.5.11 Automatic Dialing Parameters........................................................1023
59.10.5.12 Direct Inward Dialing Parameters...................................................1023
59.10.5.13 ISDN BRI Parameters ....................................................................1026
59.10.5.14 Character Conversion Parameters.................................................1027
59.10.6 PSTN Parameters................................................................................................1027
59.10.6.1General Parameters.............................................................................1027
59.10.6.2TDM Bus and Clock Timing Parameters..............................................1033
59.10.6.3CAS Parameters ..................................................................................1035
59.10.6.4ISDN Parameters .................................................................................1039
59.10.7 ISDN and CAS Interworking Parameters ............................................................1047
59.10.8 Answer and Disconnect Supervision Parameters ...............................................1062
59.10.9 Tone Parameters.................................................................................................1067
59.10.9.1Telephony Tone Parameters................................................................1067
59.10.9.2Tone Detection Parameters .................................................................1074
59.10.9.3Metering Tone Parameters...................................................................1075
59.10.10 Telephone Keypad Sequence Parameters ....................................................1076
59.10.11 FXO and FXS Parameters .............................................................................1080
59.10.12 Trunk Groups and Routing Parameters .........................................................1084
59.10.13 IP Connectivity Parameters............................................................................1091
59.10.14 Alternative Routing Parameters .....................................................................1093
59.10.15 Number Manipulation Parameters..................................................................1095
59.11SBC Parameters ..............................................................................................1105
59.11.1 Supplementary Services......................................................................................1119
59.12Standalone Survivability Parameters................................................................1121
59.13IP Media Parameters........................................................................................1125
59.14Services ...........................................................................................................1130
59.14.1 RADIUS and LDAP Parameters..........................................................................1130

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59.14.1.1General Parameters.............................................................................1130
59.14.1.2RADIUS Parameters............................................................................1131
59.14.1.3LDAP Parameters ................................................................................1133
59.14.2 Least Cost Routing Parameters ..........................................................................1135
59.14.3 Call Setup Rules Parameters ..............................................................................1136
59.14.4 HTTP-based Services..........................................................................................1136
59.14.5 HTTP Proxy Parameters......................................................................................1137
60 SBC and DSP Channel Capacity..................................................................1139
60.1 Signaling-Media Sessions & User Registrations...............................................1139
60.2 Mediant 1000B Series......................................................................................1140
60.2.1 Analog (FXS/FXO) Interfaces..............................................................................1141
60.2.2 BRI Interfaces......................................................................................................1142
60.2.3 E1/T1 Interfaces ..................................................................................................1143
60.2.4 Media Processing Interfaces ...............................................................................1144
61 Technical Specifications ..............................................................................1145

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