AudioCodes Mediant 800B User manual

User's Manual
Version 6.8
March 2014
Document # LTRT-10278
Mediant™ 800B Gateway & E-SBC
Enterprise Session Border Controller
Analog & Digital VoIP Media Gateway

Version 6.8 3 Mediant 800B Gateway and E-SBC
User's Manual Contents
Table of Contents
1Overview ............................................................................................................21
Getting Started with Initial Connectivity................................................................23
2Introduction .......................................................................................................25
3Default OAMP IP Address.................................................................................27
4Configuring VoIP LAN Interface for OAMP .....................................................29
4.1 Web Interface.........................................................................................................29
4.2 CLI..........................................................................................................................31
Management Tools..................................................................................................33
5Introduction .......................................................................................................35
6Web-Based Management..................................................................................37
6.1 Getting Acquainted with the Web Interface............................................................37
6.1.1 Computer Requirements..........................................................................................37
6.1.2 Accessing the Web Interface...................................................................................38
6.1.3 Areas of the GUI......................................................................................................39
6.1.4 Toolbar Description..................................................................................................40
6.1.5 Navigation Tree .......................................................................................................41
6.1.5.1 Displaying Navigation Tree in Basic and Full View..................................41
6.1.5.2 Showing / Hiding the Navigation Pane.....................................................42
6.1.6 Working with Configuration Pages ..........................................................................43
6.1.6.1 Accessing Pages......................................................................................43
6.1.6.2 Viewing Parameters.................................................................................43
6.1.6.3 Modifying and Saving Parameters...........................................................45
6.1.6.4 Working with Tables.................................................................................46
6.1.7 Searching for Configuration Parameters.................................................................47
6.1.8 Creating a Login Welcome Message.......................................................................49
6.1.9 Getting Help.............................................................................................................50
6.1.10 Logging Off the Web Interface.................................................................................51
6.2 Viewing the Home Page.........................................................................................51
6.2.1 Assigning a Port Name............................................................................................54
6.3 Configuring Web User Accounts............................................................................54
6.3.1 Basic User Accounts Configuration.........................................................................56
6.3.2 Advanced User Accounts Configuration..................................................................58
6.4 Displaying Login Information upon Login...............................................................61
6.5 Configuring Web Security Settings ........................................................................62
6.6 Web Login Authentication using Smart Cards .......................................................62
6.7 Configuring Web and Telnet Access List...............................................................63
7CLI-Based Management....................................................................................65
7.1 Getting Familiar with CLI........................................................................................65
7.1.1 Understanding Configuration Modes.......................................................................65
7.1.2 Using CLI Shortcuts.................................................................................................66
7.1.3 Common CLI Commands........................................................................................67
7.1.4 Configuring Tables in CLI........................................................................................68
7.1.5 Understanding CLI Error Messages........................................................................69

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7.2 Enabling CLI...........................................................................................................69
7.2.1 Enabling Telnet for CLI............................................................................................69
7.2.2 Enabling SSH with RSA Public Key for CLI.............................................................70
7.3 Establishing a CLI Session ....................................................................................72
7.4 Configuring Maximum Telnet/SSH Sessions.........................................................73
7.5 Viewing and Terminating Current CLI Sessions ....................................................73
7.6 Configuring Displayed Output Lines in CLI Terminal Window ...............................74
8SNMP-Based Management...............................................................................75
8.1 Enabling SNMP and Configuring SNMP Community Strings.................................75
8.2 Configuring SNMP Trap Destinations....................................................................76
8.3 Configuring SNMP Trusted Managers...................................................................78
8.4 Configuring SNMP V3 Users..................................................................................79
9INI File-Based Management..............................................................................81
9.1 INI File Format .......................................................................................................81
9.1.1 Configuring Individual ini File Parameters...............................................................81
9.1.2 Configuring Table ini File Parameters.....................................................................81
9.1.3 General ini File Formatting Rules............................................................................83
9.2 Configuring an ini File ............................................................................................83
9.3 Loading an ini File to the Device............................................................................84
9.4 Secured Encoded ini File.......................................................................................84
9.5 Configuring Password Display in ini File................................................................84
9.6 INI Viewer and Editor Utility ...................................................................................85
General System Settings ........................................................................................87
10 Configuring Certificates ...................................................................................89
10.1.1 Configuring TLS Certificate Contexts......................................................................89
10.1.2 Assigning CSR-based Certificates to TLS Contexts ...............................................93
10.1.3 Assigning Externally Created Private Keys to TLS Contexts..................................94
10.1.4 Generating Private Keys for TLS Contexts..............................................................95
10.1.5 Creating Self-Signed Certificates for TLS Contexts................................................96
10.1.6 Importing Certificates and Certificate Chain into Trusted Certificate Store.............97
10.1.7 Configuring Mutual TLS Authentication...................................................................98
10.1.7.1 TLS for SIP Clients...................................................................................98
10.1.7.2 TLS for Remote Device Management......................................................99
10.1.8 Configuring TLS Server Certificate Expiry Check .................................................100
11 Date and Time..................................................................................................101
11.1 Configuring Date and Time Manually...................................................................101
11.2 Configuring Automatic Date and Time using SNTP.............................................101
General VoIP Configuration..................................................................................105
12 Network............................................................................................................107
12.1 Configuring Physical Ethernet Ports ....................................................................107
12.2 Configuring Ethernet Port Groups........................................................................109
12.3 Configuring Underlying Ethernet Devices............................................................111
12.4 Configuring IP Network Interfaces .......................................................................113

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12.4.1 Assigning NTP Services to Application Types ......................................................116
12.4.2 Multiple Interface Table Configuration Summary and Guidelines.........................116
12.4.3 Networking Configuration Examples .....................................................................117
12.4.3.1 One VoIP Interface for All Applications................................................. 117
12.4.3.2 VoIP Interface per Application Type...................................................... 118
12.4.3.3 VoIP Interfaces for Combined Application Types ................................. 118
12.4.3.4 VoIP Interfaces with Multiple Default Gateways................................... 120
12.5 Configuring Static IP Routes................................................................................120
12.5.1 Configuration Example of Static IP Routes ...........................................................122
12.5.2 Troubleshooting the Routing Table .......................................................................123
12.6 Configuring Quality of Service..............................................................................124
12.7 Configuring ICMP Messages ...............................................................................126
12.8 DNS......................................................................................................................126
12.8.1 Configuring the Internal DNS Table.......................................................................126
12.8.2 Configuring the Internal SRV Table.......................................................................128
12.9 Open Solution Network (OSN) Server .................................................................130
12.9.1 Configuring Native VLAN for OSN Server.............................................................130
12.9.2 Disabling Internal Switch Port for OSN..................................................................130
12.10Configuring NFS Settings.....................................................................................131
12.11Network Address Translation Support .................................................................132
12.11.1Device Located behind NAT..................................................................................132
12.11.1.1Configuring a Static NAT IP Address for All Interfaces......................... 133
12.11.1.2Configuring NAT Translation per IP Interface....................................... 134
12.11.2Remote UA behind NAT........................................................................................135
12.11.2.1SIP Signaling Messages ....................................................................... 135
12.11.2.2Media (RTP/RTCP/T.38)....................................................................... 136
12.12Robust Receipt of Media Streams by Media Latching.........................................137
12.13Multiple Routers Support......................................................................................139
13 Security............................................................................................................141
13.1 Configuring Firewall Settings ...............................................................................141
13.2 Configuring General Security Settings.................................................................145
13.3 Intrusion Detection System..................................................................................146
13.3.1 Enabling IDS..........................................................................................................147
13.3.2 Configuring IDS Policies........................................................................................147
13.3.3 Assigning IDS Policies...........................................................................................151
13.3.4 Viewing IDS Alarms...............................................................................................152
14 Media................................................................................................................155
14.1 Configuring Voice Settings...................................................................................155
14.1.1 Configuring Voice Gain (Volume) Control .............................................................155
14.1.2 Silence Suppression (Compression).....................................................................155
14.1.3 Echo Cancellation..................................................................................................156
14.2 Fax and Modem Capabilities................................................................................157
14.2.1 Fax/Modem Operating Modes...............................................................................159
14.2.2 Fax/Modem Transport Modes ...............................................................................159
14.2.2.1 T.38 Fax Relay Mode............................................................................ 159
14.2.2.2 G.711 Fax / Modem Transport Mode.................................................... 162
14.2.2.3 Fax Fallback.......................................................................................... 162
14.2.2.4 Fax/Modem Bypass Mode .................................................................... 163
14.2.2.5 Fax / Modem NSE Mode....................................................................... 164
14.2.2.6 Fax / Modem Transparent with Events Mode....................................... 165
14.2.2.7 Fax / Modem Transparent Mode........................................................... 165

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14.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection............................ 166
14.2.3 V.34 Fax Support...................................................................................................166
14.2.3.1 Bypass Mechanism for V.34 Fax Transmission.................................... 167
14.2.3.2 Relay Mode for T.30 and V.34 Faxes ................................................... 168
14.2.3.3 V.34 Fax Relay for SG3 Fax Machines................................................. 168
14.2.4 V.150.1 Modem Relay...........................................................................................169
14.2.5 Simultaneous Negotiation of Fax (T.38) and Modem (V.150.1) Relay..................170
14.2.6 V.152 Support........................................................................................................171
14.2.7 Fax Transmission behind NAT..............................................................................171
14.3 Configuring RTP/RTCP Settings..........................................................................172
14.3.1 Configuring the Dynamic Jitter Buffer....................................................................172
14.3.2 Comfort Noise Generation.....................................................................................173
14.3.3 Dual-Tone Multi-Frequency Signaling...................................................................174
14.3.3.1 Configuring DTMF Transport Types...................................................... 174
14.3.3.2 Configuring RFC 2833 Payload ............................................................ 175
14.3.4 Configuring RTP Base UDP Port...........................................................................176
14.4 Configuring IP Media Settings..............................................................................177
14.4.1 Automatic Gain Control (AGC)..............................................................................177
14.5 Configuring Various Codec Attributes..................................................................178
14.6 Configuring Analog Settings.................................................................................178
14.7 Configuring Media (SRTP) Security.....................................................................179
15 Services ...........................................................................................................181
15.1 SIP-based Media Recording................................................................................181
15.1.1 Enabling SIP-based Media Recording...................................................................184
15.1.2 Configuring SIP Recording Routing Rules............................................................184
15.1.3 Configuring SIP User Part for SRS........................................................................186
15.1.4 Interworking SIP-based Media Recording with Third-Party Vendors....................186
15.1.4.1 Genesys................................................................................................ 186
15.1.4.2 Avaya UCID........................................................................................... 186
15.2 RADIUS Authentication........................................................................................187
15.2.1 Setting Up a Third-Party RADIUS Server..............................................................187
15.2.2 Configuring RADIUS Authentication......................................................................189
15.2.3 Securing RADIUS Communication........................................................................190
15.2.4 Authenticating RADIUS in the URL.......................................................................190
15.3 LDAP-based Management and SIP Services......................................................191
15.3.1 Enabling the LDAP Service...................................................................................192
15.3.2 Enabling LDAP-based Web/CLI User Login Authentication and Authorization.....192
15.3.3 Configuring LDAP Servers.....................................................................................193
15.3.4 Configuring LDAP DNs (Base Paths) per LDAP Server........................................196
15.3.5 Configuring the LDAP Search Filter Attribute........................................................197
15.3.6 Configuring Access Level per Management Groups Attributes ............................198
15.3.7 Configuring LDAP Search Methods.......................................................................200
15.3.8 Configuring the Device's LDAP Cache..................................................................200
15.3.9 Configuring Local Database for Management User Authentication......................202
15.3.10LDAP-based Login Authentication Example..........................................................204
15.3.11Active Directory-based Routing for Microsoft Lync ...............................................207
15.3.11.1Querying the AD and Routing Priority................................................... 208
15.3.11.2Configuring AD-Based Routing Rules................................................... 210
15.3.11.3Querying the AD for Calling Name........................................................ 213
15.4 Least Cost Routing...............................................................................................214
15.4.1 Overview................................................................................................................214
15.4.2 Configuring LCR....................................................................................................216
15.4.2.1 Enabling the LCR Feature..................................................................... 216
15.4.2.2 Configuring Cost Groups....................................................................... 218
15.4.2.3 Configuring Time Bands for Cost Groups............................................. 219

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15.4.2.4 Assigning Cost Groups to Routing Rules.............................................. 220
15.5 Configuring Call Setup Rules...............................................................................221
15.5.1 Call Setup Rule Examples.....................................................................................225
16 Quality of Experience......................................................................................227
16.1 Configuring the SEM Server ................................................................................227
16.2 Configuring Quality of Experience Profiles...........................................................228
16.3 Configuring Bandwidth Profiles............................................................................231
16.4 Configuring Media Enhancement Profiles............................................................234
17 Control Network ..............................................................................................237
17.1 Configuring Media Realms...................................................................................237
17.2 Configuring Remote Media Subnets....................................................................239
17.3 Configuring SRDs ................................................................................................242
17.4 Configuring SIP Interfaces...................................................................................244
17.5 Configuring IP Groups..........................................................................................248
17.6 Configuring Proxy Sets ........................................................................................258
18 SIP Definitions.................................................................................................265
18.1 Configuring SIP Parameters ................................................................................265
18.2 Configuring Registration Accounts.......................................................................265
18.2.1 Regular Registration Mode....................................................................................268
18.2.2 Single Registration for Multiple Phone Numbers using GIN..................................268
18.3 Configuring Proxy and Registration Parameters..................................................269
18.3.1 SIP Message Authentication Example ..................................................................271
18.4 Configuring SIP Message Manipulation...............................................................272
18.5 Configuring SIP Message Policy Rules................................................................277
19 Coders and Profiles ........................................................................................281
19.1 Configuring Default Coders..................................................................................281
19.2 Configuring Coder Groups...................................................................................284
19.3 Configuring Tel Profile..........................................................................................285
19.4 Configuring IP Profiles .........................................................................................288
Gateway Application .............................................................................................315
20 Introduction .....................................................................................................317
21 Digital PSTN.....................................................................................................319
21.1 Configuring Trunk Settings...................................................................................319
21.2 TDM and Timing...................................................................................................321
21.2.1 Configuring TDM Bus Settings..............................................................................321
21.2.2 Clock Settings........................................................................................................322
21.2.2.1 Recovering Clock from PSTN Line Interface........................................ 322
21.2.2.2 Configuring Internal Clock as Clock Source ......................................... 323
21.3 Configuring CAS State Machines.........................................................................323
21.4 Configuring Digital Gateway Parameters.............................................................326
21.5 Tunneling Applications.........................................................................................327
21.5.1 TDM Tunneling......................................................................................................327
21.5.1.1 DSP Pattern Detector............................................................................ 330

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21.5.2 QSIG Tunneling.....................................................................................................330
21.6 ISDN Non-Facility Associated Signaling (NFAS).................................................331
21.6.1 NFAS Interface ID..................................................................................................332
21.6.2 Working with DMS-100 Switches ..........................................................................333
21.6.3 Creating an NFAS-Related Trunk Configuration...................................................333
21.6.4 Performing Manual D-Channel Switchover in NFAS Group..................................334
21.7 ISDN Overlap Dialing...........................................................................................334
21.7.1 Collecting ISDN Digits and Sending Complete Number in SIP.............................335
21.7.2 Interworking ISDN Overlap Dialing with SIP According to RFC 3578...................335
21.8 Redirect Number and Calling Name (Display).....................................................336
22 Trunk Group ....................................................................................................337
22.1 Configuring Trunk Group Table............................................................................337
22.2 Configuring Hunt Group Settings.........................................................................339
23 Manipulation....................................................................................................345
23.1 Configuring General Settings...............................................................................345
23.2 Configuring Source/Destination Number Manipulation Rules..............................345
23.3 Manipulating Number Prefix.................................................................................351
23.4 SIP Calling Name Manipulations..........................................................................352
23.5 Configuring Redirect Number IP to Tel................................................................355
23.6 Manipulating Redirected and Diverted Numbers for Call Diversion.....................359
23.7 Mapping NPI/TON to SIP Phone-Context............................................................360
23.8 Configuring Release Cause Mapping ..................................................................361
23.8.1 Fixed Mapping of SIP Response to ISDN Release Reason..................................363
23.8.2 Fixed Mapping of ISDN Release Reason to SIP Response..................................364
23.8.3 Reason Header......................................................................................................367
23.8.4 Mapping PSTN Release Cause to SIP Response ................................................367
23.9 Numbering Plans and Type of Number................................................................368
24 Routing.............................................................................................................369
24.1 Configuring General Routing Parameters............................................................369
24.2 Configuring Outbound IP Routing Table..............................................................369
24.3 Configuring Inbound IP Routing Table.................................................................378
24.4 IP Destinations Connectivity Feature...................................................................382
24.5 Alternative Routing for Tel-to-IP Calls..................................................................383
24.5.1 Alternative Routing Based on IP Connectivity.......................................................383
24.5.2 Alternative Routing Based on SIP Responses......................................................385
24.5.3 Alternative Routing upon SIP 3xx with Multiple Contacts......................................387
24.5.4 PSTN Fallback.......................................................................................................388
24.6 Alternative Routing for IP-to-Tel Calls..................................................................388
24.6.1 Alternative Routing to Trunk upon Q.931 Call Release Cause Code ...................388
24.6.2 Alternative Routing to an IP Destination upon a Busy Trunk ................................390
24.6.3 Alternative Routing upon ISDN Disconnect...........................................................391
25 Configuring DTMF and Dialing.......................................................................393
25.1 Dialing Plan Features...........................................................................................394
25.1.1 Digit Mapping.........................................................................................................394
25.1.2 External Dial Plan File ...........................................................................................395
26 Configuring Supplementary Services ...........................................................397
26.1 Call Hold and Retrieve.........................................................................................398

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26.2 Call Pickup...........................................................................................................400
26.3 BRI Suspend and Resume...................................................................................400
26.4 Consultation Feature............................................................................................401
26.5 Call Transfer.........................................................................................................401
26.5.1 Consultation Call Transfer.....................................................................................401
26.5.2 Consultation Transfer for QSIG Path Replacement..............................................402
26.5.3 Blind Call Transfer.................................................................................................402
26.6 Call Forward.........................................................................................................403
26.6.1 Call Forward Reminder Ring.................................................................................404
26.6.2 Call Forward Reminder (Off-Hook) Special Dial Tone ..........................................404
26.6.3 Call Forward Reminder Dial Tone (Off-Hook) upon Spanish SIP Alert-Info..........405
26.6.4 BRI Call Forwarding...............................................................................................406
26.7 Call Waiting..........................................................................................................406
26.8 Message Waiting Indication.................................................................................407
26.9 Caller ID...............................................................................................................409
26.9.1 Caller ID Detection / Generation on the Tel Side..................................................409
26.9.2 Debugging a Caller ID Detection on FXO..............................................................409
26.9.3 Caller ID on the IP Side.........................................................................................410
26.10Three-Way Conferencing.....................................................................................411
26.11Emergency E911 Phone Number Services..........................................................412
26.11.1FXS Device Emulating PSAP using DID Loop-Start Lines....................................413
26.11.2FXO Device Interworking SIP E911 Calls from Service Provider's IP Network to
PSAP DID Lines .................................................................................................................415
26.11.3Pre-empting Existing Calls for E911 IP-to-Tel Calls..............................................418
26.11.4Enhanced 9-1-1 Support for Lync Server 2010.....................................................420
26.11.4.1About E9-1-1 Services .......................................................................... 420
26.11.4.2Microsoft Lync Server 2010 and E9-1-1................................................ 421
26.11.4.3AudioCodes ELIN Gateway for Lync Server 2010 E9-1-1 Calls to PSTN
425
26.11.4.4Configuring AudioCodes ELIN Gateway............................................... 429
26.12Multilevel Precedence and Preemption................................................................431
26.12.1MLPP Preemption Events in SIP Reason Header ................................................433
26.12.2Precedence Ring Tone..........................................................................................434
26.13Denial of Collect Calls..........................................................................................434
26.14Configuring Multi-Line Extensions and Supplementary Services.........................435
26.15Detecting Collect Calls.........................................................................................437
26.16Advice of Charge Services for Euro ISDN ...........................................................437
26.17Configuring Charge Codes...................................................................................438
26.18Configuring Voice Mail.........................................................................................440
27 Analog Gateway ..............................................................................................441
27.1 Configuring Keypad Features ..............................................................................441
27.2 Configuring Metering Tones.................................................................................442
27.3 Configuring FXO Settings ....................................................................................443
27.4 Configuring Authentication...................................................................................444
27.5 Configuring Automatic Dialing..............................................................................446
27.6 Configuring Caller Display Information.................................................................447
27.7 Configuring Call Forward .....................................................................................449
27.8 Configuring Caller ID Permissions.......................................................................450
27.9 Configuring Call Waiting.......................................................................................451

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27.10Rejecting Anonymous Calls.................................................................................452
27.11Configuring FXS Distinctive Ringing and Call Waiting Tones per
Source/Destination Number..........................................................................................453
27.12FXS/FXO Coefficient Types.................................................................................454
27.13FXO Operating Modes.........................................................................................455
27.13.1FXO Operations for IP-to-Tel Calls........................................................................455
27.13.1.1One-Stage Dialing................................................................................. 456
27.13.1.2Two-Stage Dialing................................................................................. 457
27.13.1.3DID Wink............................................................................................... 457
27.13.2FXO Operations for Tel-to-IP Calls........................................................................458
27.13.2.1Automatic Dialing .................................................................................. 458
27.13.2.2Collecting Digits Mode........................................................................... 459
27.13.2.3FXO Supplementary Services............................................................... 459
27.13.3Call Termination on FXO Devices.........................................................................460
27.13.3.1Calls Termination by PBX ..................................................................... 460
27.13.3.2Call Termination before Call Establishment.......................................... 461
27.13.3.3Ring Detection Timeout......................................................................... 461
27.14Remote PBX Extension between FXO and FXS Devices....................................461
27.14.1Dialing from Remote Extension (Phone at FXS)...................................................462
27.14.2Dialing from PBX Line or PSTN.............................................................................462
27.14.3Message Waiting Indication for Remote Extensions.............................................463
27.14.4Call Waiting for Remote Extensions......................................................................463
27.14.5FXS Gateway Configuration..................................................................................464
27.14.6FXO Gateway Configuration..................................................................................465
Session Border Controller Application................................................................467
28 SBC Overview..................................................................................................469
28.1 SIP Network Definitions .......................................................................................470
28.2 SIP Dialog Initiation Process................................................................................470
28.3 User Registration .................................................................................................472
28.3.1 Initial Registration Request Processing.................................................................473
28.3.2 SBC Users Registration Database........................................................................473
28.3.3 Routing using Users Registration Database..........................................................474
28.3.4 Registration Refreshes..........................................................................................474
28.3.5 Registration Restriction Control.............................................................................475
28.4 SBC Media Handling............................................................................................475
28.4.1 Media Anchoring without Transcoding (Transparent) ...........................................476
28.4.2 Media Anchoring with Transcoding .......................................................................477
28.4.3 No Media Anchoring..............................................................................................479
28.4.4 Transcoding Modes...............................................................................................480
28.4.5 Restricting Coders.................................................................................................481
28.4.6 Coder Transcoding................................................................................................481
28.4.7 Prioritizing Coder List in SDP Offer.......................................................................483
28.4.8 SRTP-RTP and SRTP-SRTP Transcoding ...........................................................483
28.4.9 Multiple RTP Media Streams per Call Session .....................................................483
28.4.10Interworking DTMF Methods .................................................................................484
28.5 Fax Negotiation and Transcoding........................................................................484
28.6 Limiting SBC Call Duration...................................................................................485
28.7 SBC Authentication..............................................................................................485
28.7.1 SIP Authentication Server Functionality................................................................485
28.7.2 User Authentication based on RADIUS.................................................................486
28.8 Interworking SIP Signaling...................................................................................486
28.8.1 Interworking SIP 3xx Redirect Responses............................................................486

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28.8.1.1 Resultant INVITE Traversing Device .................................................... 487
28.8.1.2 Local Handling of SIP 3xx..................................................................... 488
28.8.2 Interworking SIP Diversion and History-Info Headers...........................................488
28.8.3 Interworking SIP REFER Messages......................................................................489
28.8.4 Interworking SIP PRACK Messages .....................................................................489
28.8.5 Interworking SIP Session Timer............................................................................490
28.8.6 Interworking SIP Early Media ................................................................................490
28.8.7 Interworking SIP re-INVITE Messages..................................................................492
28.8.8 Interworking SIP UPDATE Messages...................................................................492
28.8.9 Interworking SIP re-INVITE to UPDATE................................................................492
28.8.10Interworking Delayed Offer....................................................................................492
28.8.11Interworking Call Hold............................................................................................493
28.9 Call Survivability...................................................................................................493
28.9.1 Auto-Provisioning of Subscriber-Specific Information for BroadWorks Server for
Survivability.........................................................................................................................493
28.9.2 BroadSoft's Shared Phone Line Call Appearance for SBC Survivability...............494
28.9.3 Call Survivability for Call Centers..........................................................................495
28.9.4 Survivability Mode Display on Aastra IP Phones ..................................................498
28.10Call Forking..........................................................................................................498
28.10.1Initiating SIP Call Forking ......................................................................................498
28.10.2SIP Forking Initiated by SIP Proxy Server.............................................................499
28.10.3Call Forking-based IP-to-IP Routing Rules............................................................499
28.11Alternative Routing on Detection of Failed SIP Response...................................500
29 SBC Configuration..........................................................................................501
29.1 Configuring General Settings...............................................................................501
29.1.1 Interworking Dialog Information in SIP NOTIFY Messages ..................................501
29.2 Configuring Admission Control.............................................................................503
29.3 Configuring Allowed Audio Coder Groups ...........................................................506
29.4 Configuring Allowed Video Coder Groups ...........................................................508
29.5 Routing SBC ........................................................................................................508
29.5.1 Configuring Classification Rules............................................................................508
29.5.1.1 Classification Based on URI of Selected Header Example................... 513
29.5.2 Configuring Message Condition Rules..................................................................514
29.5.3 Configuring SBC IP-to-IP Routing .........................................................................515
29.5.4 Configuring SIP Response Codes for Alternative Routing Reasons.....................524
29.6 SBC Manipulations...............................................................................................525
29.6.1 Configuring IP-to-IP Inbound Manipulations..........................................................528
29.6.2 Configuring IP-to-IP Outbound Manipulations.......................................................531
Cloud Resilience Package....................................................................................537
30 CRP Overview..................................................................................................539
31 CRP Configuration..........................................................................................541
31.1 Enabling the CRP Application..............................................................................541
31.2 Configuring Call Survivability Mode .....................................................................542
31.3 Pre-Configured IP Groups....................................................................................543
31.4 Pre-Configured IP-to-IP Routing Rules................................................................544
31.4.1 Normal Mode.........................................................................................................544
31.4.2 Emergency Mode...................................................................................................545
31.4.3 Auto Answer to Registrations................................................................................545
31.5 Configuring PSTN Fallback..................................................................................546

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High-Availability System.......................................................................................547
32 HA Overview....................................................................................................549
32.1 Connectivity and Synchronization between Devices............................................549
32.2 Device Switchover upon Failure...........................................................................550
32.3 HA Status on the Home Page..............................................................................551
33 HA Configuration.............................................................................................553
33.1 Initial HA Configuration ........................................................................................553
33.1.1 Network Topology Types and Rx/Tx Ethernet Port Group Settings......................553
33.1.2 Configuring the HA Devices ..................................................................................554
33.1.2.1 Step 1: Configure the First Device........................................................ 555
33.1.2.2 Step 2: Configure the Second Device................................................... 557
33.1.2.3 Step 3: Initialize HA on the Devices...................................................... 558
33.2 Configuration while HA is Operational .................................................................558
33.3 Configuring Firewall Allowed Rules......................................................................559
34 HA Maintenance ..............................................................................................561
34.1 Maintenance of Redundant Device......................................................................561
34.2 Replacing a Failed Device ...................................................................................561
34.3 Forcing a Switchover............................................................................................561
34.4 Software Upgrade................................................................................................561
Maintenance...........................................................................................................563
35 Basic Maintenance..........................................................................................565
35.1 Resetting the Device............................................................................................565
35.2 Remotely Resetting Device using SIP NOTIFY...................................................566
35.3 Locking and Unlocking the Device.......................................................................567
35.4 Saving Configuration............................................................................................568
36 High Availability Maintenance........................................................................569
37 Disconnecting Active Calls ............................................................................571
38 Resetting Channels.........................................................................................573
38.1 Resetting an Analog Channel ..............................................................................573
38.2 Restarting a B-Channel........................................................................................573
39 Software Upgrade............................................................................................575
39.1 Loading Auxiliary Files.........................................................................................575
39.1.1 Call Progress Tones File .......................................................................................577
39.1.1.1 Distinctive Ringing................................................................................. 579
39.1.2 Prerecorded Tones File.........................................................................................581
39.1.3 CAS Files...............................................................................................................582
39.1.4 Dial Plan File..........................................................................................................582
39.1.4.1 Creating a Dial Plan File........................................................................ 582
39.1.4.2 External Dial Plan File........................................................................... 582
39.1.4.3 Dial Plan Prefix Tags for Routing.......................................................... 585
39.1.4.4 Obtaining IP Destination from Dial Plan File......................................... 588
39.1.4.5 Modifying ISDN-to-IP Calling Party Number......................................... 589
39.1.5 User Information File .............................................................................................590
39.1.5.1 Enabling the User Info Table................................................................. 590

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39.1.5.2 Gateway User Information for PBX Extensions and "Global" Numbers 590
39.1.5.3 User Information File for SBC User Database...................................... 594
39.2 Software License Key ..........................................................................................598
39.2.1 Obtaining the Software License Key File...............................................................598
39.2.2 Installing the Software License Key.......................................................................599
39.2.2.1 Installing Software License Key using Web Interface........................... 599
39.2.2.2 Installing Software License Key using CLI............................................ 600
39.3 Software Upgrade Wizard....................................................................................601
39.4 Backing Up and Loading Configuration File.........................................................604
40 Automatic Update Mechanism.......................................................................607
40.1 Overview of Automatic Update Mechanism.........................................................607
40.1.1 Files Updated by Automatic Update......................................................................607
40.1.2 File Location for Automatic Update .......................................................................607
40.1.3 Triggering Automatic Update.................................................................................608
40.1.4 Querying Provisioning Server for Updated Files...................................................608
40.2 Configuring Automatic Update.............................................................................610
40.3 Automatic Configuration Methods........................................................................612
40.3.1 DHCP-based Configuration Server .......................................................................613
40.3.2 Configuration using DHCP Option 67....................................................................614
40.3.3 TFTP Configuration using DHCP Option 66..........................................................615
40.3.4 HTTP-based Automatic Updates...........................................................................615
40.3.5 Configuration using FTP or NFS ...........................................................................616
40.3.6 Configuration using AudioCodes EMS..................................................................616
40.4 Loading Files Securely by Disabling TFTP..........................................................616
41 Restoring Factory Defaults ............................................................................619
41.1 Restoring Defaults using CLI ...............................................................................619
41.2 Restoring Defaults using Hardware Reset Button................................................620
41.3 Restoring Defaults using an ini File......................................................................620
42 USB Storage Capabilities...............................................................................621
Status, Performance Monitoring and Reporting.................................................623
43 System Status .................................................................................................625
43.1 Viewing Device Information..................................................................................625
43.2 Viewing Ethernet Port Information .......................................................................625
44 Carrier-Grade Alarms......................................................................................627
44.1 Viewing Active Alarms..........................................................................................627
44.2 Viewing Alarm History..........................................................................................628
45 Performance Monitoring.................................................................................629
45.1 Viewing MOS per Media Realm...........................................................................629
45.2 Viewing Trunk Utilization......................................................................................630
45.3 Viewing Quality of Experience .............................................................................631
45.4 Viewing Average Call Duration ............................................................................633
46 VoIP Status ......................................................................................................635
46.1 Viewing Trunks & Channels Status......................................................................635

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Mediant 800B Gateway and E-SBC
46.2 Viewing Analog Port Information..........................................................................636
46.3 Viewing NFAS Groups and D-Channel Status.....................................................637
46.4 Viewing Active IP Interfaces.................................................................................638
46.5 Viewing Ethernet Device Status...........................................................................638
46.6 Viewing Static Routes Status...............................................................................638
46.7 Viewing Performance Statistics............................................................................639
46.8 Viewing Call Counters..........................................................................................639
46.9 Viewing Registered SAS/SBC Users...................................................................641
46.10Viewing Registration Status.................................................................................642
46.11Viewing Call Routing Status.................................................................................643
46.12Viewing IP Connectivity........................................................................................644
47 Reporting Information to External Party .......................................................647
47.1 RTP Control Protocol Extended Reports (RTCP XR)..........................................647
47.2 Generating Call Detail Records............................................................................650
47.2.1 Configuring CDR Reporting...................................................................................650
47.2.2 CDR Field Description...........................................................................................651
47.2.2.1 CDR Fields for SBC Signaling .............................................................. 651
47.2.2.2 CDR Fields for SBC Media ................................................................... 653
47.2.2.3 CDR Fields for Gateway/IP-to-IP Application ....................................... 654
47.2.2.4 Release Reasons in CDR..................................................................... 658
47.3 Configuring RADIUS Accounting .........................................................................660
47.4 Event Notification using X-Detect Header............................................................664
47.5 Querying Device Channel Resources using SIP OPTIONS ................................666
Diagnostics............................................................................................................667
48 Syslog and Debug Recordings ......................................................................669
48.1 Syslog Message Format ......................................................................................669
48.1.1 Event Representation in Syslog Messages...........................................................670
48.1.2 Identifying AudioCodes Syslog Messages using Facility Levels...........................672
48.1.3 SNMP Alarms in Syslog Messages.......................................................................673
48.2 Enabling Syslog ...................................................................................................673
48.3 Configuring Web Operations to Report to Syslog................................................674
48.4 Configuring Debug Recording..............................................................................675
48.5 Filtering Syslog Messages and Debug Recordings .............................................676
48.5.1 Filtering IP Network Traces ...................................................................................678
48.6 Viewing Syslog Messages ...................................................................................679
48.7 Collecting Debug Recording Messages...............................................................681
48.8 Debug Capturing on Physical VoIP Interfaces.....................................................684
49 Self-Testing......................................................................................................685
50 Enabling Debug File upon Device Crash ......................................................687
51 Analog Line Testing........................................................................................689
51.1 FXO Line Testing.................................................................................................689
51.2 FXS Line Testing..................................................................................................689
52 Testing SIP Signaling Calls............................................................................691
52.1 Configuring Test Call Endpoints...........................................................................691

Version 6.8 15 Mediant 800B Gateway and E-SBC
User's Manual Contents
52.2 Starting and Stopping Test Calls..........................................................................695
52.3 Viewing Test Call Statistics..................................................................................696
52.4 Configuring DTMF Tones for Test Calls...............................................................697
52.5 Configuring Basic Test Call..................................................................................698
52.6 Configuring SBC Test Call with External Proxy ...................................................698
52.7 Test Call Configuration Examples........................................................................700
Appendix................................................................................................................703
53 Dialing Plan Notation for Routing and Manipulation....................................705
54 Configuration Parameters Reference............................................................707
54.1 Management Parameters.....................................................................................707
54.1.1 General Parameters ..............................................................................................707
54.1.2 Web Parameters....................................................................................................708
54.1.3 Telnet Parameters.................................................................................................711
54.1.4 ini File Parameters.................................................................................................711
54.1.5 SNMP Parameters.................................................................................................712
54.1.6 Serial Parameters..................................................................................................715
54.1.7 Auxiliary and Configuration File Name Parameters ..............................................716
54.1.8 Automatic Update Parameters ..............................................................................717
54.2 Networking Parameters........................................................................................719
54.2.1 Ethernet Parameters..............................................................................................719
54.2.2 Multiple VoIP Network Interfaces and VLAN Parameters.....................................720
54.2.3 Routing Parameters...............................................................................................721
54.2.4 Open Solution Network (OSN) Parameters...........................................................721
54.2.5 Quality of Service Parameters...............................................................................722
54.2.6 NAT Parameters....................................................................................................723
54.2.7 NFS Parameters....................................................................................................723
54.2.8 DNS Parameters....................................................................................................724
54.2.9 DHCP Parameters.................................................................................................725
54.2.10NTP and Daylight Saving Time Parameters..........................................................725
54.3 Debugging and Diagnostics Parameters..............................................................727
54.3.1 General Parameters ..............................................................................................727
54.3.2 SIP Test Call Parameters......................................................................................729
54.3.3 Syslog, CDR and Debug Parameters....................................................................730
54.3.4 Resource Allocation Indication Parameters...........................................................734
54.3.5 HA Ping Parameters..............................................................................................734
54.4 Security Parameters.............................................................................................736
54.4.1 General Security Parameters................................................................................736
54.4.2 HTTPS Parameters ...............................................................................................738
54.4.3 SRTP Parameters..................................................................................................739
54.4.4 TLS Parameters.....................................................................................................741
54.4.5 SSH Parameters....................................................................................................743
54.4.6 IDS Parameters.....................................................................................................744
54.5 Quality of Experience Parameters .......................................................................745
54.6 Control Network Parameters................................................................................748
54.6.1 IP Group, Proxy, Registration and Authentication Parameters.............................748
54.6.2 Network Application Parameters...........................................................................760
54.7 General SIP Parameters......................................................................................762
54.8 Coders and Profile Parameters............................................................................789
54.9 Channel Parameters............................................................................................792
54.9.1 Voice Parameters..................................................................................................792

User's Manual 16 Document #: LTRT-10278
Mediant 800B Gateway and E-SBC
54.9.2 Coder Parameters .................................................................................................795
54.9.3 DTMF Parameters.................................................................................................795
54.9.4 RTP, RTCP and T.38 Parameters.........................................................................797
54.10Gateway and IP-to-IP Parameters.......................................................................802
54.10.1Fax and Modem Parameters.................................................................................802
54.10.2DTMF and Hook-Flash Parameters.......................................................................809
54.10.3Digit Collection and Dial Plan Parameters.............................................................813
54.10.4Voice Mail Parameters...........................................................................................815
54.10.5Supplementary Services Parameters....................................................................821
54.10.5.1Caller ID Parameters............................................................................. 821
54.10.5.2Call Waiting Parameters........................................................................ 826
54.10.5.3Call Forwarding Parameters ................................................................. 828
54.10.5.4Message Waiting Indication Parameters............................................... 829
54.10.5.5Call Hold Parameters............................................................................ 831
54.10.5.6Call Transfer Parameters...................................................................... 832
54.10.5.7Multi-Line Extensions and Supplementary Services Parameters......... 835
54.10.5.8Three-Way Conferencing Parameters .................................................. 835
54.10.5.9MLPP and Emergency Call Parameters ............................................... 837
54.10.5.10 Call Cut-Through Parameters.......................................................... 843
54.10.5.11 Automatic Dialing Parameters......................................................... 844
54.10.5.12 Direct Inward Dialing Parameters.................................................... 845
54.10.5.13 ISDN BRI Parameters ..................................................................... 847
54.10.6PSTN Parameters..................................................................................................848
54.10.6.1General Parameters.............................................................................. 848
54.10.6.2TDM Bus and Clock Timing Parameters............................................... 853
54.10.6.3CAS Parameters ................................................................................... 855
54.10.6.4ISDN Parameters.................................................................................. 858
54.10.7ISDN and CAS Interworking Parameters ..............................................................865
54.10.8Answer and Disconnect Supervision Parameters.................................................881
54.10.9Tone Parameters...................................................................................................887
54.10.9.1Telephony Tone Parameters................................................................. 887
54.10.9.2Tone Detection Parameters.................................................................. 893
54.10.9.3Metering Tone Parameters ................................................................... 894
54.10.10 Telephone Keypad Sequence Parameters......................................................896
54.10.11 General FXO Parameters.................................................................................900
54.10.12 Trunk Groups and Routing Parameters ...........................................................903
54.10.13 IP Connectivity Parameters..............................................................................910
54.10.14 Alternative Routing Parameters .......................................................................911
54.10.15 Number Manipulation Parameters....................................................................914
54.11SBC Parameters..................................................................................................924
54.12Standalone Survivability Parameters...................................................................937
54.13IP Media Parameters ...........................................................................................941
54.14Services ...............................................................................................................945
54.14.1SIP-based Media Recording Parameters..............................................................945
54.14.2RADIUS and LDAP Parameters............................................................................946
54.14.2.1General Parameters.............................................................................. 946
54.14.2.2RADIUS Parameters............................................................................. 946
54.14.2.3LDAP Parameters ................................................................................. 949
54.14.3Least Cost Routing Parameters ............................................................................951
54.14.4Call Setup Rules Parameters................................................................................952
55 SBC and DSP Channel Capacity....................................................................953
55.1 Signaling-Media Sessions & User Registrations..................................................953
55.2 Channel Capacity and Capabilities......................................................................955
56 Technical Specifications ................................................................................959

Version 6.8 17 Mediant 800B Gateway and E-SBC
User's Manual Notices
Notice
This document describes AudioCodes Mediant 800B Gateway & Enterprise Session Border
Controller (E-SBC).
Information contained in this document is believed to be accurate and reliable at the time of
printing. However, due to ongoing product improvements and revisions, AudioCodes cannot
guarantee accuracy of printed material after the Date Published nor can it accept responsibility
for errors or omissions. Before consulting this document, check the corresponding Release
Notes regarding feature preconditions and/or specific support in this release. In cases where
there are discrepancies between this document and the Release Notes, the information in the
Release Notes supersedes that in this document. Updates to this document and other
documents as well as software files can be downloaded by registered customers at
http://www.audiocodes.com/downloads.
© Copyright 2014 AudioCodes Ltd. All rights reserved.
This document is subject to change without notice.
Date Published: March-25-2014
Trademarks
AudioCodes, AC, AudioCoded, Ardito, CTI2, CTI², CTI Squared, HD VoIP, HD VoIP
Sounds Better, InTouch, IPmedia, Mediant, MediaPack, NetCoder, Netrake, Nuera, Open
Solutions Network, OSN, Stretto, TrunkPack, VMAS, VoicePacketizer, VoIPerfect,
VoIPerfectHD, What’s Inside Matters, Your Gateway To VoIP and 3GX are trademarks or
registered trademarks of AudioCodes Limited. All other products or trademarks are
property of their respective owners. Product specifications are subject to change without
notice.
WEEE EU Directive
Pursuant to the WEEE EU Directive, electronic and electrical waste must not be disposed
of with unsorted waste. Please contact your local recycling authority for disposal of this
product.
Customer Support
AudioCodes continually strives to produce high quality documentation. If you have any
comments (suggestions or errors) regarding this document, please fill out the
Documentation Feedback form on our Web site at http://www.audiocodes.com/downloads.
Abbreviations and Terminology
Each abbreviation, unless widely used, is spelled out in full when first used.

User's Manual 18 Document #: LTRT-10278
Mediant 800B Gateway and E-SBC
Related Documentation
Manual Name
SIP CPE Release Notes
Mediant 800 Gateway and E-SBC Hardware Installation Manual
Complementary Guides
CLI Reference Guide
CPE Configuration Guide for IP Voice Mail
SNMP Reference Guide
SBC Design Guide
Recommended Security Guidelines Configuration Note
SIP Message Manipulations Quick Reference Guide
SAS Application Configuration Guide
CAS Protocol Table Configuration Note
IP-to-IP Application Configuration Guide
Utility Guides
INI Viewer & Editor Utility User's Guide
DConvert User's Guide
CPTWizard User's Guide
AcBootP Utility User's Guide
Notes and Warnings
Note: This device is considered an INDOOR unit and therefore, must be installed only
indoors. In addition, FXS and Ethernet port interface cabling must be routed only
indoors and must not exit the building.
Note: The scope of this document does not fully cover security aspects for deploying
the device in your environment. Security measures should be done in accordance
with your organization’s security policies. For basic security guidelines, refer to
AudioCodes Recommended Security Guidelines document.
Note: Throughout this manual, unless otherwise specified, the term device refers to
your AudioCodes product.
Note: Before configuring the device, ensure that it is installed correctly as instructed
in the Hardware Installation Manual.

Version 6.8 19 Mediant 800B Gateway and E-SBC
User's Manual Notices
Notes:
•By default, the device supports export-grade (40-bit and 56-bit) encryption due to
US government restrictions on the export of security technologies. To enable 128-
bit and 256-bit encryption on your device, contact your AudioCodes sales
representative.
•This device includes software developed by the OpenSSL Project for use in the
OpenSSL Toolkit (http://www.openssl.org/).
•This device includes cryptographic software written by Eric Young
([e-mail]).
Note: Some of the features listed in this document are available only if the relevant
Software License Key has been purchased from AudioCodes and installed on the
device. For a list of Software License Keys that can be purchased, please consult
your AudioCodes sales representative.
Note: OPEN SOURCE SOFTWARE. Portions of the software may be open source
software and may be governed by and distributed under open source licenses, such
as the terms of the GNU General Public License (GPL), the terms of the Lesser
General Public License (LGPL), BSD and LDAP, which terms are loc
ated at:
http://www.audiocodes.com/support and all are incorporated herein by reference. If
any open source software is provided in object code, and its accompanying license
requires that it be provided in source code as well, Buyer may receive such source
code by contacting AudioCodes, by following the instructions available on
AudioCodes website.

User's Manual 20 Document #: LTRT-10278
Mediant 800B Gateway and E-SBC
Documentation Feedback
AudioCodes continually strives to produce high quality documentation. If you have any
comments (suggestions or errors) regarding this document, please fill out the
Documentation Feedback form on our Web site at http://www.audiocodes.com/downloads.