AudioCodes Mediant 800B User manual

Mediant 800B Gateway & E-SBC
Version 6.8
User's Manual
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 ............................................................................................................25
Getting Started with Initial Connectivity................................................................27
2Introduction .......................................................................................................29
3Default OAMP IP Address.................................................................................31
4Configuring VoIP LAN Interface for OAMP .....................................................33
4.1 Web Interface.......................................................................................................33
4.2 CLI .......................................................................................................................35
Management Tools..................................................................................................37
5Introduction .......................................................................................................39
6Web-Based Management..................................................................................41
6.1 Getting Acquainted with the Web Interface...........................................................41
6.1.1 Computer Requirements..........................................................................................41
6.1.2 Accessing the Web Interface...................................................................................42
6.1.3 Areas of the GUI......................................................................................................43
6.1.4 Toolbar Description..................................................................................................44
6.1.5 Navigation Tree .......................................................................................................45
6.1.5.1 Displaying Navigation Tree in Basic and Full View..................................45
6.1.5.2 Showing / Hiding the Navigation Pane.....................................................46
6.1.6 Working with Configuration Pages ..........................................................................47
6.1.6.1 Accessing Pages......................................................................................47
6.1.6.2 Viewing Parameters.................................................................................47
6.1.6.3 Modifying and Saving Parameters...........................................................49
6.1.6.4 Working with Tables.................................................................................50
6.1.7 Searching for Configuration Parameters.................................................................52
6.1.8 Creating a Login Welcome Message.......................................................................53
6.1.9 Getting Help.............................................................................................................55
6.1.10 Logging Off the Web Interface.................................................................................56
6.2 Viewing the Home Page.......................................................................................56
6.2.1 Assigning a Port Name............................................................................................59
6.3 Configuring Web User Accounts...........................................................................59
6.3.1 Basic User Accounts Configuration.........................................................................61
6.3.2 Advanced User Accounts Configuration..................................................................63
6.4 Displaying Login Information upon Login..............................................................66
6.5 Configuring Web Security Settings.......................................................................67
6.6 Web Login Authentication using Smart Cards.......................................................67
6.7 Configuring Web and Telnet Access List..............................................................68
7CLI-Based Management....................................................................................71
7.1 Getting Familiar with CLI ......................................................................................71
7.1.1 Understanding Configuration Modes.......................................................................71
7.1.2 Using CLI Shortcuts.................................................................................................72
7.1.3 Common CLI Commands........................................................................................73
7.1.4 Configuring Tables in CLI........................................................................................74
7.1.5 Understanding CLI Error Messages ........................................................................75

User's Manual 4 Document #: LTRT-10620
Mediant 800B Gateway and E-SBC
7.2 Enabling CLI.........................................................................................................75
7.2.1 Enabling Telnet for CLI............................................................................................75
7.2.2 Enabling SSH with RSA Public Key for CLI.............................................................76
7.3 Establishing a CLI Session...................................................................................77
7.4 Configuring Maximum Telnet/SSH Sessions ........................................................78
7.5 Viewing and Terminating Current CLI Sessions....................................................79
7.6 Configuring Displayed Output Lines in CLI Terminal Window...............................80
8SNMP-Based Management...............................................................................81
8.1 Enabling SNMP and Configuring SNMP Community Strings................................81
8.2 Configuring SNMP Trap Destinations...................................................................83
8.3 Configuring SNMP Trusted Managers..................................................................84
8.4 Configuring SNMP V3 Users................................................................................86
9INI File-Based Management..............................................................................89
9.1 INI File Format......................................................................................................89
9.1.1 Configuring Individual ini File Parameters...............................................................89
9.1.2 Configuring Table ini File Parameters.....................................................................89
9.1.3 General ini File Formatting Rules............................................................................91
9.2 Configuring an ini File...........................................................................................91
9.3 Loading an ini File to the Device...........................................................................92
9.4 Secured Encoded ini File......................................................................................92
9.5 Configuring Password Display in ini File...............................................................93
9.6 INI Viewer and Editor Utility..................................................................................93
General System Settings ........................................................................................95
10 Configuring Certificates ...................................................................................97
10.1 Configuring TLS Certificate Contexts....................................................................97
10.2 Assigning CSR-based Certificates to TLS Contexts............................................100
10.3 Assigning Externally Created Private Keys to TLS Contexts...............................102
10.4 Generating Private Keys for TLS Contexts.........................................................104
10.5 Creating Self-Signed Certificates for TLS Contexts ............................................105
10.6 Importing Certificates and Certificate Chain into Trusted Certificate Store..........105
10.7 Configuring Mutual TLS Authentication...............................................................107
10.7.1 TLS for SIP Clients ................................................................................................107
10.7.2 TLS for Remote Device Management...................................................................107
10.8 Configuring TLS Server Certificate Expiry Check ...............................................109
11 Date and Time..................................................................................................111
11.1 Configuring Date and Time Manually..................................................................111
11.2 Configuring Automatic Date and Time using SNTP ............................................111
11.3 Configuring Daylight Saving Time.......................................................................113
General VoIP Configuration..................................................................................115
12 Network............................................................................................................117
12.1 Configuring Physical Ethernet Ports...................................................................117
12.2 Configuring Ethernet Port Groups.......................................................................119

Version 6.8 5 Mediant 800B Gateway and E-SBC
User's Manual Contents
12.3 Configuring Underlying Ethernet Devices...........................................................121
12.4 Configuring IP Network Interfaces......................................................................123
12.4.1 Assigning NTP Services to Application Types ......................................................126
12.4.2 Multiple Interface Table Configuration Summary and Guidelines.........................126
12.4.3 Networking Configuration Examples .....................................................................127
12.4.3.1 One VoIP Interface for All Applications..................................................127
12.4.3.2 VoIP Interface per Application Type.......................................................128
12.4.3.3 VoIP Interfaces for Combined Application Types ..................................128
12.4.3.4 VoIP Interfaces with Multiple Default Gateways ....................................130
12.5 Configuring Static IP Routes...............................................................................130
12.5.1 Configuration Example of Static IP Routes ...........................................................132
12.5.2 Troubleshooting the Routing Table .......................................................................133
12.6 Configuring Quality of Service ............................................................................134
12.7 Configuring ICMP Messages..............................................................................136
12.8 DNS ...................................................................................................................137
12.8.1 Configuring the Internal DNS Table.......................................................................137
12.8.2 Configuring the Internal SRV Table.......................................................................138
12.9 Open Solution Network (OSN) Server ................................................................140
12.9.1 Configuring Native VLAN for OSN Server.............................................................140
12.9.2 Disabling Internal Switch Port for OSN..................................................................140
12.10Network Address Translation Support ................................................................141
12.10.1 Device Located behind NAT..................................................................................141
12.10.1.1Configuring a Static NAT IP Address for All Interfaces..........................142
12.10.1.2Configuring NAT Translation per IP Interface........................................143
12.10.2 Remote UA behind NAT........................................................................................144
12.10.2.1SIP Signaling Messages ........................................................................144
12.10.2.2Media (RTP/RTCP/T.38)........................................................................145
12.11Robust Receipt of Media Streams by Media Latching.........................................147
12.12Multiple Routers Support....................................................................................149
13 Security............................................................................................................151
13.1 Configuring Firewall Settings..............................................................................151
13.2 Configuring General Security Settings................................................................155
13.3 Intrusion Detection System.................................................................................156
13.3.1 Enabling IDS..........................................................................................................157
13.3.2 Configuring IDS Policies........................................................................................157
13.3.3 Assigning IDS Policies...........................................................................................161
13.3.4 Viewing IDS Alarms...............................................................................................163
14 Media................................................................................................................165
14.1 Configuring Voice Settings .................................................................................165
14.1.1 Configuring Voice Gain (Volume) Control .............................................................165
14.1.2 Silence Suppression (Compression) .....................................................................165
14.1.3 Echo Cancellation..................................................................................................166
14.2 Fax and Modem Capabilities ..............................................................................167
14.2.1 Fax/Modem Operating Modes...............................................................................169
14.2.2 Fax/Modem Transport Modes ...............................................................................169
14.2.2.1 T.38 Fax Relay Mode.............................................................................169
14.2.2.2 G.711 Fax / Modem Transport Mode.....................................................172
14.2.2.3 Fax Fallback...........................................................................................172
14.2.2.4 Fax/Modem Bypass Mode......................................................................173
14.2.2.5 Fax / Modem NSE Mode........................................................................174
14.2.2.6 Fax / Modem Transparent with Events Mode ........................................175

User's Manual 6 Document #: LTRT-10620
Mediant 800B Gateway and E-SBC
14.2.2.7 Fax / Modem Transparent Mode............................................................175
14.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection .............................176
14.2.3 V.34 Fax Support...................................................................................................176
14.2.3.1 Bypass Mechanism for V.34 Fax Transmission.....................................177
14.2.3.2 Relay Mode for T.30 and V.34 Faxes ....................................................178
14.2.3.3 V.34 Fax Relay for SG3 Fax Machines..................................................178
14.2.4 V.150.1 Modem Relay...........................................................................................180
14.2.5 Simultaneous Negotiation of Fax (T.38) and Modem (V.150.1) Relay..................181
14.2.6 V.152 Support........................................................................................................181
14.2.7 Fax Transmission behind NAT ..............................................................................182
14.3 Configuring RTP/RTCP Settings.........................................................................183
14.3.1 Configuring the Dynamic Jitter Buffer....................................................................183
14.3.2 Comfort Noise Generation.....................................................................................184
14.3.3 Dual-Tone Multi-Frequency Signaling...................................................................185
14.3.3.1 Configuring DTMF Transport Types.......................................................185
14.3.3.2 Configuring RFC 2833 Payload .............................................................186
14.3.4 Configuring RTP Base UDP Port...........................................................................187
14.4 Configuring IP Media Settings............................................................................188
14.4.1 Automatic Gain Control (AGC) ..............................................................................188
14.5 Configuring Various Codec Attributes.................................................................189
14.6 Configuring Analog Settings...............................................................................190
14.7 Configuring Media (SRTP) Security....................................................................190
15 Services ...........................................................................................................193
15.1 DHCP Server Functionality.................................................................................193
15.1.1 Configuring the DHCP Server ...............................................................................193
15.1.2 Configuring the Vendor Class Identifier.................................................................197
15.1.3 Configuring Additional DHCP Options...................................................................198
15.1.4 Configuring Static IP Addresses for DHCP Clients ...............................................200
15.1.5 Viewing and Deleting DHCP Clients......................................................................201
15.2 SIP-based Media Recording...............................................................................203
15.2.1 Enabling SIP-based Media Recording...................................................................206
15.2.2 Configuring SIP Recording Routing Rules ............................................................206
15.2.3 Configuring SIP User Part for SRS........................................................................209
15.2.4 Interworking SIP-based Media Recording with Third-Party Vendors....................209
15.2.4.1 Genesys .................................................................................................209
15.2.4.2 Avaya UCID............................................................................................210
15.3 RADIUS Authentication ......................................................................................211
15.3.1 Setting Up a Third-Party RADIUS Server..............................................................212
15.3.2 Configuring RADIUS Authentication......................................................................213
15.3.3 Securing RADIUS Communication........................................................................214
15.3.4 Authenticating RADIUS in the URL.......................................................................214
15.4 LDAP-based Management and SIP Services .....................................................215
15.4.1 Enabling the LDAP Service ...................................................................................216
15.4.2 Enabling LDAP-based Web/CLI User Login Authentication and Authorization.....217
15.4.3 Configuring LDAP Servers.....................................................................................217
15.4.4 Configuring LDAP DNs (Base Paths) per LDAP Server........................................220
15.4.5 Configuring the LDAP Search Filter Attribute........................................................221
15.4.6 Configuring Access Level per Management Groups Attributes.............................222
15.4.7 Configuring LDAP Search Methods.......................................................................224
15.4.8 Configuring the Device's LDAP Cache..................................................................225
15.4.9 Configuring Local Database for Management User Authentication ......................227
15.4.10 LDAP-based Login Authentication Example..........................................................229
15.4.11 Active Directory-based Routing for Microsoft Lync ...............................................233
15.4.11.1Querying the AD and Routing Priority....................................................233
15.4.11.2Configuring AD-Based Routing Rules....................................................236

Version 6.8 7 Mediant 800B Gateway and E-SBC
User's Manual Contents
15.4.11.3Querying the AD for Calling Name.........................................................238
15.5 Least Cost Routing.............................................................................................239
15.5.1 Overview................................................................................................................239
15.5.2 Configuring LCR ....................................................................................................241
15.5.2.1 Enabling the LCR Feature......................................................................241
15.5.2.2 Configuring Cost Groups........................................................................243
15.5.2.3 Configuring Time Bands for Cost Groups ..............................................244
15.5.2.4 Assigning Cost Groups to Routing Rules...............................................245
15.6 Configuring Call Setup Rules..............................................................................246
15.6.1 Call Setup Rule Examples.....................................................................................250
16 Quality of Experience......................................................................................253
16.1 Reporting Voice Quality of Experience to SEM...................................................253
16.1.1 Configuring the SEM Server..................................................................................253
16.1.2 Configuring Clock Synchronization between Device and SEM.............................254
16.1.3 Enabling RTCP XR Reporting to SEM ..................................................................254
16.2 Configuring Quality of Experience Profiles..........................................................254
16.3 Configuring Bandwidth Profiles...........................................................................258
16.4 Configuring Media Enhancement Profiles...........................................................261
17 Control Network ..............................................................................................265
17.1 Configuring Media Realms .................................................................................265
17.2 Configuring Remote Media Subnets...................................................................269
17.3 Configuring SRDs...............................................................................................271
17.4 Configuring SIP Interfaces..................................................................................274
17.5 Configuring IP Groups........................................................................................278
17.6 Configuring Proxy Sets.......................................................................................290
18 SIP Definitions.................................................................................................297
18.1 Configuring SIP Parameters...............................................................................297
18.2 Configuring Registration Accounts......................................................................297
18.2.1 Regular Registration Mode....................................................................................300
18.2.2 Single Registration for Multiple Phone Numbers using GIN..................................300
18.3 Configuring Proxy and Registration Parameters.................................................301
18.3.1 SIP Message Authentication Example ..................................................................303
18.4 Configuring SIP Message Manipulation..............................................................305
18.5 Configuring SIP Message Policy Rules...............................................................311
19 Coders and Profiles ........................................................................................315
19.1 Configuring Default Coders ................................................................................315
19.2 Configuring Coder Groups..................................................................................318
19.3 Configuring Tel Profile........................................................................................319
19.4 Configuring IP Profiles........................................................................................323
Gateway Application .............................................................................................353
20 Introduction .....................................................................................................355
21 Digital PSTN.....................................................................................................357
21.1 Configuring Trunk Settings.................................................................................357

User's Manual 8 Document #: LTRT-10620
Mediant 800B Gateway and E-SBC
21.2 TDM and Timing.................................................................................................361
21.2.1 Configuring TDM Bus Settings ..............................................................................361
21.2.2 Clock Settings........................................................................................................361
21.2.2.1 Recovering Clock from PSTN Line Interface .........................................362
21.2.2.2 Configuring Internal Clock as Clock Source...........................................362
21.3 Configuring CAS State Machines .......................................................................363
21.4 Configuring Digital Gateway Parameters............................................................366
21.5 Tunneling Applications .......................................................................................367
21.5.1 TDM Tunneling......................................................................................................367
21.5.1.1 DSP Pattern Detector.............................................................................370
21.5.2 QSIG Tunneling.....................................................................................................370
21.6 ISDN Non-Facility Associated Signaling (NFAS) ................................................372
21.6.1 NFAS Interface ID..................................................................................................373
21.6.2 Working with DMS-100 Switches ..........................................................................373
21.6.3 Creating an NFAS-Related Trunk Configuration...................................................374
21.6.4 Performing Manual D-Channel Switchover in NFAS Group..................................374
21.7 ISDN Overlap Dialing .........................................................................................375
21.7.1 Collecting ISDN Digits and Sending Complete Number in SIP.............................375
21.7.2 Interworking ISDN Overlap Dialing with SIP According to RFC 3578...................376
21.8 Redirect Number and Calling Name (Display) ....................................................378
22 Trunk Group ....................................................................................................379
22.1 Configuring Trunk Group Table ..........................................................................379
22.2 Configuring Hunt Group Settings........................................................................381
23 Manipulation....................................................................................................387
23.1 Configuring General Settings..............................................................................387
23.2 Configuring Source/Destination Number Manipulation Rules..............................387
23.3 Manipulating Number Prefix ...............................................................................393
23.4 SIP Calling Name Manipulations ........................................................................394
23.5 Configuring Redirect Number IP to Tel...............................................................398
23.6 Manipulating Redirected and Diverted Numbers for Call Diversion.....................402
23.7 Mapping NPI/TON to SIP Phone-Context...........................................................403
23.8 Configuring Release Cause Mapping .................................................................404
23.8.1 Fixed Mapping of SIP Response to ISDN Release Reason..................................405
23.8.2 Fixed Mapping of ISDN Release Reason to SIP Response..................................407
23.8.3 Reason Header......................................................................................................409
23.8.4 Mapping PSTN Release Cause to SIP Response ................................................409
23.9 Numbering Plans and Type of Number...............................................................410
24 Routing.............................................................................................................411
24.1 Configuring General Routing Parameters...........................................................411
24.2 Configuring Outbound IP Routing Table.............................................................411
24.3 Configuring Inbound IP Routing Table................................................................421
24.4 IP Destinations Connectivity Feature..................................................................426
24.5 Alternative Routing for Tel-to-IP Calls.................................................................428
24.5.1 Alternative Routing Based on IP Connectivity.......................................................428
24.5.2 Alternative Routing Based on SIP Responses......................................................429
24.5.3 Alternative Routing upon SIP 3xx with Multiple Contacts......................................432
24.5.4 PSTN Fallback.......................................................................................................432
24.6 Alternative Routing for IP-to-Tel Calls.................................................................433
24.6.1 Alternative Routing to Trunk upon Q.931 Call Release Cause Code ...................433

Version 6.8 9 Mediant 800B Gateway and E-SBC
User's Manual Contents
24.6.2 Alternative Routing to an IP Destination upon a Busy Trunk ................................434
24.6.3 Alternative Routing upon ISDN Disconnect...........................................................436
25 Configuring DTMF and Dialing.......................................................................437
25.1 Dialing Plan Features.........................................................................................438
25.1.1 Digit Mapping.........................................................................................................438
25.1.2 External Dial Plan File ...........................................................................................440
26 Configuring Supplementary Services ...........................................................441
26.1 Call Hold and Retrieve........................................................................................442
26.2 Call Pickup .........................................................................................................444
26.3 BRI Suspend and Resume.................................................................................444
26.4 Consultation Feature..........................................................................................445
26.5 Call Transfer.......................................................................................................445
26.5.1 Consultation Call Transfer.....................................................................................445
26.5.2 Consultation Transfer for QSIG Path Replacement ..............................................446
26.5.3 Blind Call Transfer.................................................................................................446
26.6 Call Forward.......................................................................................................447
26.6.1 Call Forward Reminder Ring .................................................................................448
26.6.2 Call Forward Reminder (Off-Hook) Special Dial Tone ..........................................449
26.6.3 Call Forward Reminder Dial Tone (Off-Hook) upon Spanish SIP Alert-Info..........449
26.6.4 BRI Call Forwarding...............................................................................................450
26.7 Call Waiting........................................................................................................452
26.8 Message Waiting Indication................................................................................453
26.9 Caller ID.............................................................................................................455
26.9.1 Caller ID Detection / Generation on the Tel Side ..................................................455
26.9.2 Debugging a Caller ID Detection on FXO..............................................................456
26.9.3 Caller ID on the IP Side.........................................................................................456
26.10Three-Way Conferencing....................................................................................457
26.11Emergency E911 Phone Number Services.........................................................459
26.11.1 FXS Device Emulating PSAP using DID Loop-Start Lines....................................459
26.11.2 FXO Device Interworking SIP E911 Calls from Service Provider's IP Network to
PSAP DID Lines .................................................................................................................462
26.11.3 Pre-empting Existing Calls for E911 IP-to-Tel Calls..............................................465
26.11.4 Enhanced 9-1-1 Support for Lync Server 2010.....................................................466
26.11.4.1About E9-1-1 Services ...........................................................................466
26.11.4.2Microsoft Lync Server 2010 and E9-1-1.................................................467
26.11.4.3AudioCodes ELIN Gateway for Lync Server 2010 E9-1-1 Calls to PSTN
471
26.11.4.4Configuring AudioCodes ELIN Gateway................................................475
26.12Multilevel Precedence and Preemption...............................................................478
26.12.1 MLPP Preemption Events in SIP Reason Header ................................................480
26.12.2 Precedence Ring Tone..........................................................................................481
26.13Denial of Collect Calls ........................................................................................481
26.14Configuring Multi-Line Extensions and Supplementary Services ........................482
26.15Detecting Collect Calls .......................................................................................485
26.16Advice of Charge Services for Euro ISDN ..........................................................485
26.17Configuring Charge Codes.................................................................................487
26.18Configuring Voice Mail........................................................................................489
27 Analog Gateway ..............................................................................................491
27.1 Configuring Keypad Features.............................................................................491

User's Manual 10 Document #: LTRT-10620
Mediant 800B Gateway and E-SBC
27.2 Configuring Metering Tones ...............................................................................493
27.3 Configuring FXO Settings...................................................................................494
27.4 Configuring Authentication..................................................................................495
27.5 Configuring Automatic Dialing ............................................................................497
27.6 Configuring Caller Display Information................................................................498
27.7 Configuring Call Forward....................................................................................500
27.8 Configuring Caller ID Permissions......................................................................501
27.9 Configuring Call Waiting.....................................................................................502
27.10Rejecting Anonymous Calls................................................................................503
27.11Configuring FXS Distinctive Ringing and Call Waiting Tones per
Source/Destination Number.........................................................................................504
27.12FXS/FXO Coefficient Types................................................................................505
27.13FXO Operating Modes........................................................................................506
27.13.1 FXO Operations for IP-to-Tel Calls........................................................................506
27.13.1.1One-Stage Dialing..................................................................................507
27.13.1.2Two-Stage Dialing..................................................................................508
27.13.1.3DID Wink ................................................................................................508
27.13.2 FXO Operations for Tel-to-IP Calls........................................................................509
27.13.2.1Automatic Dialing ...................................................................................509
27.13.2.2Collecting Digits Mode............................................................................510
27.13.2.3FXO Supplementary Services................................................................510
27.13.3 Call Termination on FXO Devices .........................................................................511
27.13.3.1Calls Termination by PBX ......................................................................511
27.13.3.2Call Termination before Call Establishment...........................................512
27.13.3.3Ring Detection Timeout..........................................................................512
27.14Remote PBX Extension between FXO and FXS Devices ...................................513
27.14.1 Dialing from Remote Extension (Phone at FXS)...................................................514
27.14.2 Dialing from PBX Line or PSTN.............................................................................514
27.14.3 Message Waiting Indication for Remote Extensions.............................................515
27.14.4 Call Waiting for Remote Extensions......................................................................516
27.14.5 FXS Gateway Configuration..................................................................................516
27.14.6 FXO Gateway Configuration..................................................................................517
Session Border Controller Application................................................................519
28 SBC Overview..................................................................................................521
28.1 SIP Network Definitions......................................................................................522
28.2 SIP Dialog Initiation Process ..............................................................................522
28.3 User Registration................................................................................................525
28.3.1 Initial Registration Request Processing.................................................................525
28.3.2 SBC Users Registration Database ........................................................................526
28.3.3 Routing using Users Registration Database..........................................................526
28.3.4 Registration Refreshes..........................................................................................526
28.3.5 Registration Restriction Control.............................................................................527
28.4 SBC Media Handling..........................................................................................528
28.4.1 Media Anchoring without Transcoding (Transparent) ...........................................529
28.4.2 Media Anchoring with Transcoding .......................................................................530
28.4.3 No Media Anchoring..............................................................................................531
28.4.4 Transcoding Modes...............................................................................................533
28.4.5 Restricting Coders .................................................................................................534
28.4.6 Coder Transcoding................................................................................................534
28.4.7 Prioritizing Coder List in SDP Offer.......................................................................536
28.4.8 SRTP-RTP and SRTP-SRTP Transcoding ...........................................................536

Version 6.8 11 Mediant 800B Gateway and E-SBC
User's Manual Contents
28.4.9 Multiple RTP Media Streams per Call Session .....................................................537
28.4.10 Interworking DTMF Methods .................................................................................537
28.5 Fax Negotiation and Transcoding.......................................................................537
28.6 Limiting SBC Call Duration.................................................................................538
28.7 SBC Authentication ............................................................................................538
28.7.1 SIP Authentication Server Functionality................................................................538
28.7.2 User Authentication based on RADIUS.................................................................539
28.8 Interworking SIP Signaling..................................................................................540
28.8.1 Interworking SIP 3xx Redirect Responses............................................................540
28.8.1.1 Resultant INVITE Traversing Device .....................................................540
28.8.1.2 Local Handling of SIP 3xx......................................................................541
28.8.2 Interworking SIP Diversion and History-Info Headers...........................................542
28.8.3 Interworking SIP REFER Messages......................................................................543
28.8.4 Interworking SIP PRACK Messages .....................................................................543
28.8.5 Interworking SIP Session Timer............................................................................544
28.8.6 Interworking SIP Early Media ................................................................................544
28.8.7 Interworking SIP re-INVITE Messages..................................................................546
28.8.8 Interworking SIP UPDATE Messages ...................................................................546
28.8.9 Interworking SIP re-INVITE to UPDATE................................................................546
28.8.10 Interworking Delayed Offer....................................................................................546
28.8.11 Interworking Call Hold............................................................................................547
28.9 Call Survivability.................................................................................................548
28.9.1 Auto-Provisioning of Subscriber-Specific Information for BroadWorks Server for
Survivability.........................................................................................................................548
28.9.2 BroadSoft's Shared Phone Line Call Appearance for SBC Survivability...............549
28.9.3 Call Survivability for Call Centers ..........................................................................550
28.9.4 Survivability Mode Display on Aastra IP Phones ..................................................553
28.10Call Forking........................................................................................................553
28.10.1 Initiating SIP Call Forking ......................................................................................553
28.10.2 SIP Forking Initiated by SIP Proxy Server.............................................................554
28.10.3 Call Forking-based IP-to-IP Routing Rules............................................................554
28.11Alternative Routing on Detection of Failed SIP Response ..................................554
29 SBC Configuration..........................................................................................555
29.1 Configuring General Settings..............................................................................555
29.1.1 Interworking Dialog Information in SIP NOTIFY Messages ..................................555
29.2 Configuring Admission Control ...........................................................................557
29.3 Configuring Allowed Audio Coder Groups ..........................................................561
29.4 Configuring Allowed Video Coder Groups ..........................................................562
29.5 Routing SBC.......................................................................................................563
29.5.1 Configuring Classification Rules............................................................................563
29.5.1.1 Classification Based on URI of Selected Header Example....................569
29.5.2 Configuring Message Condition Rules..................................................................570
29.5.3 Configuring SBC IP-to-IP Routing .........................................................................571
29.5.4 Configuring SIP Response Codes for Alternative Routing Reasons.....................580
29.6 SBC Manipulations.............................................................................................583
29.6.1 Configuring IP-to-IP Inbound Manipulations..........................................................585
29.6.2 Configuring IP-to-IP Outbound Manipulations.......................................................588
Cloud Resilience Package....................................................................................595

User's Manual 12 Document #: LTRT-10620
Mediant 800B Gateway and E-SBC
30 CRP Overview..................................................................................................597
31 CRP Configuration..........................................................................................599
31.1 Enabling the CRP Application.............................................................................599
31.2 Configuring Call Survivability Mode ....................................................................600
31.3 Pre-Configured IP Groups..................................................................................601
31.4 Pre-Configured IP-to-IP Routing Rules...............................................................602
31.4.1 Normal Mode .........................................................................................................602
31.4.2 Emergency Mode...................................................................................................603
31.4.3 Auto Answer to Registrations ................................................................................603
31.5 Configuring PSTN Fallback ................................................................................604
High-Availability System.......................................................................................605
32 HA Overview....................................................................................................607
32.1 Connectivity and Synchronization between Devices...........................................607
32.2 Device Switchover upon Failure .........................................................................608
32.3 HA Status on the Home Page.............................................................................609
33 HA Configuration.............................................................................................611
33.1 Initial HA Configuration.......................................................................................611
33.1.1 Network Topology Types and Rx/Tx Ethernet Port Group Settings......................611
33.1.2 Configuring the HA Devices ..................................................................................612
33.1.2.1 Step 1: Configure the First Device .........................................................613
33.1.2.2 Step 2: Configure the Second Device....................................................615
33.1.2.3 Step 3: Initialize HA on the Devices.......................................................616
33.2 Configuration while HA is Operational ................................................................617
33.3 Configuring Firewall Allowed Rules ....................................................................618
34 HA Maintenance ..............................................................................................619
34.1 Maintenance of Redundant Device.....................................................................619
34.2 Replacing a Failed Device..................................................................................619
34.3 Forcing a Switchover..........................................................................................619
34.4 Software Upgrade ..............................................................................................619
Maintenance...........................................................................................................621
35 Basic Maintenance..........................................................................................623
35.1 Resetting the Device ..........................................................................................623
35.2 Remotely Resetting Device using SIP NOTIFY ..................................................624
35.3 Locking and Unlocking the Device......................................................................625
35.4 Saving Configuration..........................................................................................626
36 High Availability Maintenance........................................................................627
37 Disconnecting Active Calls............................................................................629
38 Resetting Channels.........................................................................................631
38.1 Resetting an Analog Channel.............................................................................631
38.2 Restarting a B-Channel......................................................................................631

Version 6.8 13 Mediant 800B Gateway and E-SBC
User's Manual Contents
39 Disabling Analog Ports...................................................................................633
40 Locking and Unlocking Trunk Groups..........................................................635
41 Software Upgrade............................................................................................637
41.1 Loading Auxiliary Files........................................................................................637
41.1.1 Call Progress Tones File .......................................................................................639
41.1.1.1 Distinctive Ringing..................................................................................641
41.1.2 Prerecorded Tones File.........................................................................................643
41.1.3 CAS Files...............................................................................................................644
41.1.4 Dial Plan File..........................................................................................................644
41.1.4.1 Creating a Dial Plan File.........................................................................644
41.1.4.2 Dialing Plans for Digit Collection............................................................645
41.1.4.3 Dial Plan Prefix Tags for Routing...........................................................647
41.1.4.4 Obtaining IP Destination from Dial Plan File..........................................651
41.1.4.5 Modifying ISDN-to-IP Calling Party Number..........................................652
41.1.5 User Information File .............................................................................................653
41.1.5.1 Enabling the User Info Table..................................................................653
41.1.5.2 Gateway User Information for PBX Extensions and "Global" Numbers.653
41.1.5.3 User Information File for SBC User Database.......................................657
41.2 Software License Key.........................................................................................661
41.2.1 Obtaining the Software License Key File...............................................................661
41.2.2 Installing the Software License Key.......................................................................662
41.2.2.1 Installing Software License Key using Web Interface............................662
41.2.2.2 Installing Software License Key using CLI.............................................663
41.3 Software Upgrade Wizard...................................................................................664
41.4 Backing Up and Loading Configuration File........................................................669
42 Automatic Update Mechanism.......................................................................671
42.1 Automatic Configuration Methods.......................................................................671
42.1.1 DHCP-based Provisioning.....................................................................................671
42.1.1.1 Provisioning from HTTP Server using DHCP Option 67........................672
42.1.1.2 Provisioning from TFTP Server using DHCP Option 66 ........................673
42.1.2 HTTP-based Provisioning......................................................................................673
42.1.3 FTP-based Provisioning ........................................................................................674
42.1.4 Provisioning using AudioCodes EMS....................................................................674
42.2 HTTP/S-Based Provisioning using the Automatic Update Feature......................675
42.2.1 Files Provisioned by Automatic Update.................................................................675
42.2.2 File Location for Automatic Update .......................................................................675
42.2.3 Triggers for Automatic Update...............................................................................676
42.2.4 Access Authentication with HTTP Server..............................................................677
42.2.5 Querying Provisioning Server for Updated Files ...................................................677
42.2.6 File Download Sequence.......................................................................................679
42.2.7 Cyclic Redundancy Check on Downloaded Configuration Files ...........................680
42.2.8 MAC Address Automatically Inserted in Configuration File Name........................681
42.2.9 Automatic Update Configuration Examples...........................................................681
42.2.9.1 Automatic Update for Single Device ......................................................681
42.2.9.2 Automatic Update from Remote Servers ...............................................683
42.2.9.3 Automatic Update for Mass Deployment................................................684
43 Restoring Factory Defaults ............................................................................687
43.1 Restoring Defaults using CLI..............................................................................687
43.2 Restoring Defaults using Hardware Reset Button...............................................688
43.3 Restoring Defaults using an ini File ....................................................................688

User's Manual 14 Document #: LTRT-10620
Mediant 800B Gateway and E-SBC
44 Saving Current Configuration to a File and Sending it to Remote
Destination.............................................................................................................689
45 USB Storage Capabilities...............................................................................691
Status, Performance Monitoring and Reporting.................................................693
46 System Status .................................................................................................695
46.1 Viewing Device Information................................................................................695
46.2 Viewing Ethernet Port Information......................................................................696
47 Carrier-Grade Alarms......................................................................................697
47.1 Viewing Active Alarms........................................................................................697
47.2 Viewing Alarm History ........................................................................................698
48 Performance Monitoring.................................................................................699
48.1 Viewing MOS per Media Realm..........................................................................699
48.2 Viewing Trunk Utilization ....................................................................................700
48.3 Viewing Quality of Experience............................................................................701
48.4 Viewing Average Call Duration...........................................................................703
49 VoIP Status......................................................................................................705
49.1 Viewing Trunks & Channels Status.....................................................................705
49.2 Viewing Analog Port Information.........................................................................707
49.3 Viewing NFAS Groups and D-Channel Status....................................................707
49.4 Viewing Active IP Interfaces...............................................................................708
49.5 Viewing Ethernet Device Status..........................................................................709
49.6 Viewing Static Routes Status..............................................................................709
49.7 Viewing Performance Statistics ..........................................................................709
49.8 Viewing CDR History..........................................................................................710
49.9 Viewing Call Counters........................................................................................711
49.10Viewing Registered SAS/SBC Users..................................................................713
49.11Viewing Registration Status................................................................................714
49.12Viewing Call Routing Status ...............................................................................715
49.13Viewing IP Connectivity......................................................................................716
50 Reporting Information to External Party.......................................................719
50.1 Configuring RTCP XR ........................................................................................719
50.2 Generating Call Detail Records ..........................................................................724
50.2.1 Configuring CDR Reporting...................................................................................724
50.2.2 CDR Field Description...........................................................................................725
50.2.2.1 CDR Fields for SBC Signaling ...............................................................725
50.2.2.2 CDR Fields for SBC Media.....................................................................728
50.2.2.3 CDR Fields for Gateway/IP-to-IP Application.........................................729
50.2.2.4 Release Reasons in CDR ......................................................................733
50.3 Configuring RADIUS Accounting........................................................................736
50.4 Event Notification using X-Detect Header...........................................................740
50.5 Querying Device Channel Resources using SIP OPTIONS................................743
Diagnostics............................................................................................................745

Version 6.8 15 Mediant 800B Gateway and E-SBC
User's Manual Contents
51 Syslog and Debug Recordings ......................................................................747
51.1 Syslog Message Format.....................................................................................747
51.1.1 Event Representation in Syslog Messages...........................................................748
51.1.2 Identifying AudioCodes Syslog Messages using Facility Levels...........................750
51.1.3 SNMP Alarms in Syslog Messages.......................................................................751
51.2 Enabling Syslog..................................................................................................751
51.3 Configuring Web Operations to Report to Syslog ...............................................753
51.4 Configuring Debug Recording ............................................................................753
51.5 Filtering Syslog Messages and Debug Recordings.............................................754
51.5.1 Filtering IP Network Traces ...................................................................................756
51.6 Viewing Syslog Messages..................................................................................757
51.7 Collecting Debug Recording Messages..............................................................759
51.8 Debug Capturing on Physical VoIP Interfaces....................................................760
52 Self-Testing......................................................................................................761
53 Creating Core Dump and Debug Files upon Device Crash .........................763
54 Analog Line Testing........................................................................................765
54.1 FXO Line Testing ...............................................................................................765
54.2 FXS Line Testing................................................................................................765
55 Testing SIP Signaling Calls............................................................................767
55.1 Configuring Test Call Endpoints .........................................................................767
55.2 Starting and Stopping Test Calls ........................................................................771
55.3 Viewing Test Call Statistics.................................................................................772
55.4 Configuring DTMF Tones for Test Calls..............................................................773
55.5 Configuring Basic Test Call ................................................................................774
55.6 Configuring SBC Test Call with External Proxy...................................................775
55.7 Test Call Configuration Examples.......................................................................776
Appendix ................................................................................................................779
56 Dialing Plan Notation for Routing and Manipulation....................................781
57 Configuration Parameters Reference............................................................783
57.1 Management Parameters...................................................................................783
57.1.1 General Parameters ..............................................................................................783
57.1.2 Web Parameters....................................................................................................783
57.1.3 Telnet Parameters.................................................................................................787
57.1.4 ini File Parameters.................................................................................................788
57.1.5 SNMP Parameters.................................................................................................788
57.1.6 Serial Parameters..................................................................................................793
57.1.7 Auxiliary and Configuration File Name Parameters ..............................................794
57.1.8 Automatic Update Parameters ..............................................................................795
57.2 Networking Parameters......................................................................................799
57.2.1 Ethernet Parameters..............................................................................................799
57.2.2 Multiple VoIP Network Interfaces and VLAN Parameters .....................................800
57.2.3 Routing Parameters...............................................................................................800
57.2.4 Open Solution Network (OSN) Parameters...........................................................801
57.2.5 Quality of Service Parameters...............................................................................801
57.2.6 NAT Parameters....................................................................................................802

User's Manual 16 Document #: LTRT-10620
Mediant 800B Gateway and E-SBC
57.2.7 DNS Parameters....................................................................................................804
57.2.8 DHCP Parameters.................................................................................................805
57.2.9 NTP and Daylight Saving Time Parameters..........................................................807
57.3 Debugging and Diagnostics Parameters.............................................................809
57.3.1 General Parameters ..............................................................................................809
57.3.2 SIP Test Call Parameters......................................................................................811
57.3.3 Syslog, CDR and Debug Parameters....................................................................812
57.3.4 Resource Allocation Indication Parameters...........................................................817
57.3.5 HA Ping Parameters..............................................................................................817
57.4 Security Parameters...........................................................................................819
57.4.1 General Security Parameters ................................................................................819
57.4.2 HTTPS Parameters ...............................................................................................821
57.4.3 SRTP Parameters..................................................................................................822
57.4.4 TLS Parameters.....................................................................................................824
57.4.5 SSH Parameters....................................................................................................827
57.4.6 IDS Parameters.....................................................................................................828
57.5 Quality of Experience Parameters......................................................................829
57.6 Control Network Parameters ..............................................................................831
57.6.1 IP Group, Proxy, Registration and Authentication Parameters.............................831
57.6.2 Network Application Parameters ...........................................................................844
57.7 General SIP Parameters ....................................................................................846
57.8 Coders and Profile Parameters...........................................................................878
57.9 Channel Parameters...........................................................................................881
57.9.1 Voice Parameters..................................................................................................881
57.9.2 Coder Parameters .................................................................................................884
57.9.3 DTMF Parameters.................................................................................................885
57.9.4 RTP, RTCP and T.38 Parameters.........................................................................887
57.10Gateway and IP-to-IP Parameters......................................................................893
57.10.1 Fax and Modem Parameters.................................................................................893
57.10.2 DTMF and Hook-Flash Parameters.......................................................................900
57.10.3 Digit Collection and Dial Plan Parameters.............................................................904
57.10.4 Voice Mail Parameters...........................................................................................906
57.10.5 Supplementary Services Parameters....................................................................912
57.10.5.1Caller ID Parameters..............................................................................912
57.10.5.2Call Waiting Parameters.........................................................................917
57.10.5.3Call Forwarding Parameters ..................................................................919
57.10.5.4Message Waiting Indication Parameters................................................920
57.10.5.5Call Hold Parameters.............................................................................922
57.10.5.6Call Transfer Parameters.......................................................................923
57.10.5.7Multi-Line Extensions and Supplementary Services Parameters..........926
57.10.5.8Three-Way Conferencing Parameters ...................................................926
57.10.5.9MLPP and Emergency Call Parameters ................................................928
57.10.5.10 Call Cut-Through Parameters...........................................................934
57.10.5.11 Automatic Dialing Parameters..........................................................935
57.10.5.12 Direct Inward Dialing Parameters.....................................................936
57.10.5.13 ISDN BRI Parameters ......................................................................938
57.10.6 PSTN Parameters..................................................................................................940
57.10.6.1General Parameters...............................................................................940
57.10.6.2TDM Bus and Clock Timing Parameters................................................946
57.10.6.3CAS Parameters ....................................................................................948
57.10.6.4ISDN Parameters...................................................................................951
57.10.7 ISDN and CAS Interworking Parameters ..............................................................961
57.10.8 Answer and Disconnect Supervision Parameters .................................................978
57.10.9 Tone Parameters...................................................................................................983
57.10.9.1Telephony Tone Parameters..................................................................983
57.10.9.2Tone Detection Parameters ...................................................................990
57.10.9.3Metering Tone Parameters.....................................................................991

Version 6.8 17 Mediant 800B Gateway and E-SBC
User's Manual Contents
57.10.10 Telephone Keypad Sequence Parameters ......................................................993
57.10.11 FXO and FXS Parameters ...............................................................................996
57.10.12 Trunk Groups and Routing Parameters .........................................................1000
57.10.13 IP Connectivity Parameters............................................................................1007
57.10.14 Alternative Routing Parameters .....................................................................1008
57.10.15 Number Manipulation Parameters..................................................................1011
57.11SBC Parameters ..............................................................................................1022
57.12Standalone Survivability Parameters................................................................1036
57.13IP Media Parameters........................................................................................1041
57.14Services ...........................................................................................................1045
57.14.1 SIP-based Media Recording Parameters............................................................1045
57.14.2 RADIUS and LDAP Parameters..........................................................................1046
57.14.2.1General Parameters.............................................................................1046
57.14.2.2RADIUS Parameters ............................................................................1046
57.14.2.3LDAP Parameters ................................................................................1048
57.14.3 Least Cost Routing Parameters ..........................................................................1051
57.14.4 Call Setup Rules Parameters ..............................................................................1052
58 SBC and DSP Channel Capacity..................................................................1053
58.1 Signaling-Media Sessions & User Registrations...............................................1053
58.2 Channel Capacity and Capabilities...................................................................1055
59 Technical Specifications ..............................................................................1059

User's Manual 18 Document #: LTRT-10620
Mediant 800B Gateway and E-SBC
This page is intentionally left blank.

Version 6.8 19 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 2016 AudioCodes Ltd. All rights reserved.
This document is subject to change without notice.
Date Published: June-07-2016
Trademarks
AudioCodes, AC, HD VoIP, HD VoIP Sounds Better, IPmedia, Mediant, MediaPack, What’s
Inside Matters, OSN, SmartTAP, VMAS, VoIPerfect, VoIPerfectHD, Your Gateway To
VoIP, 3GX, VocaNOM and CloudBond 365 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 20 Document #: LTRT-10620
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
AcBootP Utility User's Guide
CLI Wizard 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.