AudioCodes Mediant 800B User manual

User's Manual
Mediant 800B
Media Gateway & Enterprise Session Border
Controller (E-SBC)
Version 7.0

Version 7.0 3 Mediant 800B Gateway and E- SBC
User's Manual Contents
Table of Contents
1Introduction .......................................................................................................23
1.1 Product Overview...................................................................................................23
1.2 Typographical Conventions....................................................................................24
1.3 Getting Familiar with Configuration Concepts and Terminology............................25
1.3.1 SBC Application.......................................................................................................25
1.3.2 Gateway Application................................................................................................29
Getting Started with Initial Connectivity................................................................33
2Introduction .......................................................................................................35
3Default OAMP IP Address.................................................................................37
4Configuring VoIP LAN Interface for OAMP .....................................................39
4.1 Web Interface.........................................................................................................39
4.2 CLI..........................................................................................................................41
Management Tools..................................................................................................43
5Introduction .......................................................................................................45
6Web-Based Management..................................................................................47
6.1 Getting Acquainted with the Web Interface............................................................47
6.1.1 Computer Requirements..........................................................................................47
6.1.2 Accessing the Web Interface...................................................................................48
6.1.3 Areas of the GUI......................................................................................................49
6.1.4 Toolbar Description..................................................................................................49
6.1.5 Navigation Tree .......................................................................................................50
6.1.6 Working with Configuration Pages ..........................................................................53
6.1.7 Working with Tables ................................................................................................56
6.1.8 Searching for Configuration Parameters.................................................................60
6.1.9 Creating a Login Welcome Message.......................................................................62
6.1.10 Getting Help.............................................................................................................63
6.1.11 Logging Off the Web Interface.................................................................................64
6.2 Viewing the Home Page.........................................................................................64
6.2.1 Assigning a Port Name............................................................................................67
6.3 Configuring Web User Accounts............................................................................67
6.3.1 Basic User Accounts Configuration.........................................................................68
6.3.2 Advanced User Accounts Configuration..................................................................70
6.4 Displaying Login Information upon Login...............................................................74
6.5 Configuring Web Security Settings ........................................................................74
6.5.1 Configuring Secured (HTTPS) Web........................................................................74
6.5.2 Configuring Web Session and Access Settings......................................................75
6.6 Web Login Authentication using Smart Cards .......................................................75
6.7 Configuring Web and Telnet Access List...............................................................76
7CLI-Based Management....................................................................................79
7.1 Getting Familiar with CLI........................................................................................79

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7.1.1 Understanding Configuration Modes.......................................................................79
7.1.2 Using CLI Shortcuts.................................................................................................80
7.1.3 Common CLI Commands........................................................................................81
7.1.4 Configuring Tables through CLI...............................................................................82
7.1.5 Understanding CLI Error Messages........................................................................83
7.2 Enabling CLI...........................................................................................................84
7.2.1 Enabling Telnet for CLI............................................................................................84
7.2.2 Enabling SSH with RSA Public Key for CLI.............................................................84
7.3 Configuring Maximum Telnet/SSH Sessions.........................................................86
7.4 Establishing a CLI Session ....................................................................................87
7.5 Viewing Current CLI Sessions ...............................................................................87
7.6 Terminating a User's CLI Session..........................................................................88
7.7 Configuring Displayed Output Lines in CLI Terminal Window ...............................88
8SNMP-Based Management...............................................................................89
8.1 Enabling SNMP......................................................................................................89
8.2 Configuring SNMP Community Strings..................................................................90
8.3 Configuring SNMP Trap Destinations....................................................................92
8.4 Configuring SNMP Trusted Managers...................................................................93
8.5 Configuring SNMP V3 Users..................................................................................94
9INI File-Based Management..............................................................................97
9.1 INI File Format .......................................................................................................97
9.1.1 Configuring Individual ini File Parameters...............................................................97
9.1.2 Configuring Table ini File Parameters.....................................................................97
9.1.3 General ini File Formatting Rules............................................................................99
9.2 Configuring an ini File ............................................................................................99
9.3 Loading an ini File to the Device..........................................................................100
9.4 Secured Encoded ini File.....................................................................................100
9.5 Configuring Password Display in ini File..............................................................101
9.6 INI Viewer and Editor Utility .................................................................................102
General System Settings ......................................................................................103
10 Configuring SSL/TLS Certificates..................................................................105
10.1 Configuring TLS Certificate Contexts...................................................................105
10.2 Assigning CSR-based Certificates to TLS Contexts............................................109
10.3 Assigning Externally Created Private Keys to TLS Contexts...............................111
10.4 Generating Private Keys for TLS Contexts..........................................................112
10.5 Creating Self-Signed Certificates for TLS Contexts.............................................113
10.6 Importing Certificates and Certificate Chain into Trusted Certificate Store..........114
10.7 Configuring Mutual TLS Authentication................................................................116
10.7.1 TLS for SIP Clients................................................................................................116
10.7.2 TLS for Remote Device Management...................................................................116
10.8 Configuring TLS Server Certificate Expiry Check................................................118
11 Date and Time..................................................................................................119
11.1 Configuring Automatic Date and Time using SNTP.............................................119
11.2 Configuring Date and Time Manually...................................................................121

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11.3 Configuring the Time Zone...................................................................................122
11.4 Configuring Daylight Saving Time........................................................................122
General VoIP Configuration..................................................................................125
12 Network............................................................................................................127
12.1 Configuring Physical Ethernet Ports ....................................................................127
12.2 Configuring Ethernet Port Groups........................................................................129
12.3 Configuring Underlying Ethernet Devices............................................................132
12.4 Configuring IP Network Interfaces .......................................................................135
12.4.1 Assigning NTP Services to Application Types ......................................................138
12.4.2 Multiple Interface Table Configuration Summary and Guidelines.........................138
12.4.3 Networking Configuration Examples .....................................................................139
12.5 Configuring Static IP Routes................................................................................143
12.5.1 Configuration Example of Static IP Routes ...........................................................144
12.5.2 Troubleshooting the Routing Table .......................................................................145
12.6 Configuring Quality of Service..............................................................................146
12.7 Configuring ICMP Messages ...............................................................................148
12.8 DNS......................................................................................................................149
12.8.1 Configuring the Internal DNS Table.......................................................................149
12.8.2 Configuring the Internal SRV Table.......................................................................150
12.9 Open Solution Network (OSN) Server .................................................................152
12.9.1 Configuring Native VLAN for OSN Server.............................................................152
12.9.2 Disabling Internal Switch Port for OSN..................................................................152
12.10Network Address Translation Support .................................................................153
12.10.1Device Located behind NAT..................................................................................153
12.10.2Remote UA behind NAT........................................................................................156
12.11Robust Receipt of Media Streams by Media Latching.........................................161
12.12Multiple Routers Support......................................................................................162
13 Security............................................................................................................163
13.1 Configuring Firewall Settings ...............................................................................163
13.2 Configuring General Security Settings.................................................................167
13.3 Intrusion Detection System..................................................................................168
13.3.1 Enabling IDS..........................................................................................................169
13.3.2 Configuring IDS Policies........................................................................................169
13.3.3 Assigning IDS Policies...........................................................................................173
13.3.4 Viewing IDS Alarms...............................................................................................175
14 Media................................................................................................................177
14.1 Configuring Voice Settings...................................................................................177
14.1.1 Configuring Voice Gain (Volume) Control .............................................................177
14.1.2 Silence Suppression (Compression).....................................................................178
14.1.3 Configuring Echo Cancellation..............................................................................178
14.2 Fax and Modem Capabilities................................................................................180
14.2.1 Fax/Modem Operating Modes...............................................................................181
14.2.2 Fax/Modem Transport Modes ...............................................................................181
14.2.3 V.34 Fax Support...................................................................................................189
14.2.4 V.150.1 Modem Relay...........................................................................................192
14.2.5 Simultaneous Negotiation of Fax (T.38) and Modem (V.150.1) Relay..................193

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14.2.6 V.152 Support........................................................................................................193
14.3 Configuring RTP/RTCP Settings..........................................................................194
14.3.1 Configuring the Dynamic Jitter Buffer....................................................................194
14.3.2 Comfort Noise Generation.....................................................................................195
14.3.3 Configuring DTMF Transport Types......................................................................196
14.3.4 Configuring RFC 2833 Payload.............................................................................197
14.3.5 Configuring RTP Base UDP Port...........................................................................198
14.4 Event Detection and Notification using X-Detect Header.....................................199
14.4.1 SIT Event Detection...............................................................................................200
14.4.2 Detecting Answering Machine Beeps....................................................................201
14.4.3 SIP Call Flow Examples of Event Detection and Notification................................202
14.5 Answering Machine Detection (AMD)..................................................................204
14.5.1 Configuring AMD ...................................................................................................207
14.5.2 Enabling IP-to-Tel Call Disconnection upon Detection of Answering Machine.....208
14.6 Automatic Gain Control (AGC).............................................................................208
14.7 Configuring Various Codec Attributes..................................................................209
14.8 Configuring Analog Settings.................................................................................209
14.9 Configuring Media (SRTP) Security.....................................................................210
14.9.1 SRTP using DTLS Protocol...................................................................................212
15 Services ...........................................................................................................215
15.1 DHCP Server Functionality..................................................................................215
15.1.1 Configuring the DHCP Server ...............................................................................215
15.1.2 Configuring the Vendor Class Identifier.................................................................220
15.1.3 Configuring Additional DHCP Options...................................................................221
15.1.4 Configuring Static IP Addresses for DHCP Clients ...............................................223
15.1.5 Viewing and Deleting DHCP Clients......................................................................224
15.2 SIP-based Media Recording................................................................................226
15.2.1 Enabling SIP-based Media Recording...................................................................229
15.2.2 Configuring SIP Recording Rules..........................................................................230
15.2.3 Configuring SIP User Part for SRS........................................................................231
15.2.4 Interworking SIP-based Media Recording with Third-Party Vendors....................232
15.3 RADIUS-based Services......................................................................................233
15.3.1 Enabling RADIUS Services ...................................................................................233
15.3.2 Configuring RADIUS Servers................................................................................233
15.3.3 Configuring Interface for RADIUS Communication...............................................236
15.3.4 Configuring General RADIUS Parameters............................................................236
15.3.5 RADIUS-based Management User Authentication ...............................................236
15.3.6 RADIUS-based CDR Accounting ..........................................................................240
15.4 LDAP-based Management and SIP Services......................................................241
15.4.1 Enabling the LDAP Service...................................................................................242
15.4.2 Enabling LDAP-based Web/CLI User Login Authentication and Authorization.....243
15.4.3 Configuring LDAP Server Groups .........................................................................243
15.4.4 Configuring LDAP Servers.....................................................................................245
15.4.5 Configuring LDAP DNs (Base Paths) per LDAP Server........................................249
15.4.6 Configuring the LDAP Search Filter Attribute........................................................250
15.4.7 Configuring Access Level per Management Groups Attributes ............................251
15.4.8 Configuring the Device's LDAP Cache..................................................................254
15.4.9 Configuring Local Database for Management User Authentication......................256
15.4.10LDAP-based Login Authentication Example..........................................................257
15.4.11Enabling LDAP Searches for Numbers with Characters.......................................261
15.4.12Active Directory-based Routing for Microsoft Lync ...............................................262
15.5 Least Cost Routing...............................................................................................269
15.5.1 Overview................................................................................................................269

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15.5.2 Configuring LCR....................................................................................................271
15.6 HTTP-based Remote Services ............................................................................275
15.6.1 Configuring HTTP Services...................................................................................275
15.6.2 Configuring Remote HTTP Hosts..........................................................................279
15.6.3 Centralized Third-Party Routing Server.................................................................280
15.7 HTTP-based Proxy Services................................................................................283
15.7.1 Enabling the HTTP Proxy Application ...................................................................284
15.7.2 Configuring HTTP Interfaces.................................................................................284
15.7.3 Configuring HTTP Proxy Services.........................................................................286
15.7.4 Configuring HTTP Proxy Hosts .............................................................................287
15.7.5 Configuring an HTTP-based EMS Service............................................................289
15.8 Configuring Call Setup Rules...............................................................................291
15.8.1 Call Setup Rule Examples.....................................................................................295
15.9 Enhanced 9-1-1 Support for Lync Server.............................................................297
15.9.1 About E9-1-1 Services...........................................................................................297
15.9.2 Microsoft Lync Server and E9-1-1.........................................................................298
15.9.3 AudioCodes ELIN Device for Lync Server E9-1-1 Calls to PSTN.........................302
15.9.4 Configuring AudioCodes ELIN Device...................................................................307
16 Quality of Experience......................................................................................311
16.1 Reporting Voice Quality of Experience to SEM....................................................311
16.1.1 Configuring the SEM Server..................................................................................311
16.1.2 Configuring Clock Synchronization between Device and SEM.............................312
16.1.3 Enabling RTCP XR Reporting to SEM ..................................................................312
16.2 Configuring Quality of Experience Profiles...........................................................313
16.3 Configuring Bandwidth Profiles............................................................................317
16.4 Configuring Media Enhancement Profiles............................................................320
17 Control Network ..............................................................................................323
17.1 Configuring Media Realms...................................................................................323
17.1.1 Configuring Remote Media Subnets......................................................................327
17.1.2 Configuring Media Realm Extensions ...................................................................329
17.2 Configuring SRDs ................................................................................................331
17.2.1 Filtering Tables in Web Interface by SRD .............................................................336
17.2.2 Multiple SRDs for Multi-tenant Deployments.........................................................337
17.2.3 Cloning SRDs........................................................................................................340
17.2.4 Color-Coding of SRDs in Web Interface................................................................341
17.2.5 Automatic Configuration based on SRD................................................................341
17.3 Configuring SIP Interfaces...................................................................................342
17.4 Configuring IP Groups..........................................................................................349
17.5 Configuring Proxy Sets ........................................................................................362
18 SIP Definitions.................................................................................................371
18.1 Configuring SIP Parameters ................................................................................371
18.2 Configuring Registration Accounts.......................................................................371
18.2.1 Regular Registration Mode....................................................................................374
18.2.2 Single Registration for Multiple Phone Numbers using GIN..................................374
18.3 Configuring Proxy and Registration Parameters..................................................375
18.3.1 SIP Message Authentication Example ..................................................................377
18.4 Configuring SIP Message Manipulation...............................................................379
18.5 Configuring SIP Message Policy Rules................................................................384

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19 Coders and Profiles ........................................................................................387
19.1 Configuring Default Coders..................................................................................387
19.2 Configuring Coder Groups...................................................................................390
19.3 Configuring Tel Profile..........................................................................................392
19.4 Configuring IP Profiles .........................................................................................396
Gateway Application .............................................................................................431
20 Introduction .....................................................................................................433
20.1 Call Processing Summary....................................................................................434
21 Digital PSTN.....................................................................................................437
21.1 Configuring Trunk Settings...................................................................................437
21.2 TDM and Timing...................................................................................................440
21.2.1 Configuring TDM Bus Settings..............................................................................440
21.2.2 Clock Settings........................................................................................................440
21.3 Configuring CAS State Machines.........................................................................442
21.4 Configuring Digital Gateway Parameters.............................................................444
21.5 Tunneling Applications.........................................................................................446
21.5.1 TDM Tunneling......................................................................................................446
21.5.2 QSIG Tunneling.....................................................................................................449
21.6 ISDN Non-Facility Associated Signaling (NFAS).................................................451
21.6.1 NFAS Interface ID..................................................................................................451
21.6.2 Working with DMS-100 Switches ..........................................................................452
21.6.3 Creating an NFAS-Related Trunk Configuration...................................................453
21.6.4 Performing Manual D-Channel Switchover in NFAS Group..................................453
21.7 ISDN Overlap Dialing...........................................................................................454
21.7.1 Collecting ISDN Digits and Sending Complete Number in SIP.............................454
21.7.2 Interworking ISDN Overlap Dialing with SIP According to RFC 3578...................455
21.8 Redirect Number and Calling Name (Display).....................................................457
22 Trunk Groups ..................................................................................................459
22.1 Configuring Trunk Groups....................................................................................459
22.2 Configuring Trunk Group Settings Table..............................................................461
23 Manipulation....................................................................................................469
23.1 Configuring General Settings...............................................................................469
23.2 Configuring Source/Destination Number Manipulation Rules..............................469
23.3 Manipulating Number Prefix.................................................................................475
23.4 SIP Calling Name Manipulations..........................................................................476
23.5 Configuring Redirect Number IP to Tel................................................................479
23.6 Manipulating Redirected and Diverted Numbers for Call Diversion.....................483
23.7 Mapping NPI/TON to SIP Phone-Context............................................................484
23.8 Configuring Release Cause Mapping ..................................................................486
23.8.1 SIP-to-ISDN Release Cause Mapping ..................................................................486
23.8.2 ISDN-to-SIP Release Cause Mapping ..................................................................488
23.8.3 Configuring ISDN-to-ISDN Release Cause Mapping............................................491
23.8.4 Reason Header......................................................................................................493
23.8.5 Mapping PSTN Release Cause to SIP Response ................................................493

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23.9 Numbering Plans and Type of Number................................................................494
24 Routing.............................................................................................................495
24.1 Configuring General Routing Parameters............................................................495
24.2 Configuring Tel-to-IP Routing Rules ....................................................................495
24.3 Configuring IP-to-Trunk Group Routing Rules.....................................................506
24.4 Configuring a Gateway Routing Policy Rule........................................................511
24.5 IP Destinations Connectivity Feature...................................................................513
24.6 Alternative Routing for Tel-to-IP Calls..................................................................514
24.6.1 Alternative Routing Based on IP Connectivity.......................................................514
24.6.2 Alternative Routing Based on SIP Responses......................................................516
24.6.3 Alternative Routing upon SIP 3xx with Multiple Contacts......................................518
24.6.4 PSTN Fallback.......................................................................................................519
24.7 Alternative Routing for IP-to-Tel Calls..................................................................520
24.7.1 Alternative Routing to Trunk upon Q.931 Call Release Cause Code ...................520
24.7.2 Alternative Routing to an IP Destination upon a Busy Trunk ................................521
24.7.3 Alternative Routing upon ISDN Disconnect...........................................................523
24.7.4 Alternative Routing from FXO to IP.......................................................................523
25 Configuring DTMF and Dialing.......................................................................525
25.1 Dialing Plan Features...........................................................................................526
25.1.1 Digit Mapping.........................................................................................................526
25.1.2 External Dial Plan File ...........................................................................................527
25.2 Interworking Keypad DTMFs for SIP-to-ISDN Calls.............................................528
26 Configuring Supplementary Services ...........................................................529
26.1 Call Hold and Retrieve.........................................................................................531
26.2 Call Pickup...........................................................................................................533
26.3 BRI Suspend and Resume...................................................................................534
26.4 Consultation Feature............................................................................................534
26.5 Call Transfer.........................................................................................................535
26.5.1 Consultation Call Transfer.....................................................................................535
26.5.2 Consultation Transfer for QSIG Path Replacement..............................................535
26.5.3 Blind Call Transfer.................................................................................................536
26.6 Call Forward.........................................................................................................537
26.6.1 Call Forward Reminder Ring.................................................................................538
26.6.2 Call Forward Reminder (Off-Hook) Special Dial Tone ..........................................538
26.6.3 Call Forward Reminder Dial Tone (Off-Hook) upon Spanish SIP Alert-Info..........539
26.6.4 BRI Call Forwarding...............................................................................................539
26.7 Call Waiting..........................................................................................................540
26.8 Message Waiting Indication.................................................................................541
26.9 Caller ID...............................................................................................................543
26.9.1 Caller ID Detection / Generation on the Tel Side ..................................................543
26.9.2 Debugging a Caller ID Detection on FXO..............................................................543
26.9.3 Caller ID on the IP Side.........................................................................................544
26.10Three-Way Conferencing.....................................................................................545
26.11Emergency E911 Phone Number Services..........................................................547
26.11.1FXS Device Emulating PSAP using DID Loop-Start Lines....................................547
26.11.2FXO Device Interworking SIP E911 Calls from Service Provider's IP Network to
PSAP DID Lines .................................................................................................................550

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26.11.3Pre-empting Existing Calls for E911 IP-to-Tel Calls..............................................553
26.12Multilevel Precedence and Preemption................................................................554
26.12.1MLPP Preemption Events in SIP Reason Header ................................................556
26.12.2Precedence Ring Tone..........................................................................................557
26.13Denial of Collect Calls..........................................................................................558
26.14Configuring Multi-Line Extensions and Supplementary Services.........................558
26.15Detecting Collect Calls.........................................................................................562
26.16Advice of Charge Services for Euro ISDN ...........................................................562
26.17Configuring Charge Codes...................................................................................564
26.18Configuring Voice Mail.........................................................................................565
26.19Converting Accented Characters from IP to Tel...................................................567
27 Analog Gateway ..............................................................................................569
27.1 Configuring Keypad Features ..............................................................................569
27.2 Configuring Metering Tones.................................................................................570
27.3 Configuring FXO Settings ....................................................................................571
27.4 Configuring Authentication...................................................................................573
27.5 Configuring Automatic Dialing..............................................................................574
27.6 Configuring Caller Display Information.................................................................577
27.7 Configuring Call Forward .....................................................................................578
27.8 Configuring Caller ID Permissions.......................................................................580
27.9 Configuring Call Waiting.......................................................................................581
27.10Rejecting Anonymous Calls.................................................................................582
27.11Configuring FXS Distinctive Ringing and Call Waiting Tones per
Source/Destination Number..........................................................................................583
27.12FXS/FXO Coefficient Types.................................................................................585
27.13FXO Operating Modes.........................................................................................586
27.13.1FXO Operations for IP-to-Tel Calls........................................................................586
27.13.2FXO Operations for Tel-to-IP Calls........................................................................588
27.13.3Call Termination on FXO Devices.........................................................................590
27.14Remote PBX Extension between FXO and FXS Devices....................................592
27.14.1Dialing from Remote Extension (Phone at FXS)...................................................593
27.14.2Dialing from PBX Line or PSTN.............................................................................593
27.14.3Message Waiting Indication for Remote Extensions.............................................594
27.14.4Call Waiting for Remote Extensions......................................................................594
27.14.5FXS Gateway Configuration..................................................................................594
27.14.6FXO Gateway Configuration..................................................................................595
Session Border Controller Application................................................................597
28 SBC Overview..................................................................................................599
28.1 Feature List..........................................................................................................599
28.2 B2BUA and Stateful Proxy Operating Modes ......................................................600
28.3 Call Processing of SIP Dialog Requests..............................................................603
28.4 User Registration .................................................................................................605
28.4.1 Initial Registration Request Processing.................................................................605
28.4.2 Classification and Routing of Registered Users....................................................606
28.4.3 General Registration Request Processing ............................................................607
28.4.4 Registration Refreshes..........................................................................................607

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28.4.5 Registration Restriction Control.............................................................................608
28.4.6 Deleting Registered Users.....................................................................................608
28.5 Media Handling....................................................................................................608
28.5.1 Media Anchoring....................................................................................................609
28.5.2 Direct Media...........................................................................................................610
28.5.3 Restricting Audio Coders.......................................................................................612
28.5.4 Coder Transcoding................................................................................................613
28.5.5 Transcoding Mode.................................................................................................616
28.5.6 Prioritizing Coder List in SDP Offer.......................................................................616
28.5.7 SRTP-RTP and SRTP-SRTP Transcoding ...........................................................617
28.5.8 Multiple RTP Media Streams per Call Session .....................................................617
28.5.9 Interworking Miscellaneous Media Handling.........................................................617
28.6 Fax Negotiation and Transcoding........................................................................619
28.7 Limiting SBC Call Duration...................................................................................619
28.8 SBC Authentication..............................................................................................620
28.8.1 SIP Authentication Server Functionality................................................................620
28.8.2 User Authentication based on RADIUS.................................................................620
28.9 Interworking SIP Signaling...................................................................................621
28.9.1 Interworking SIP 3xx Redirect Responses............................................................621
28.9.2 Interworking SIP Diversion and History-Info Headers...........................................623
28.9.3 Interworking SIP REFER Messages......................................................................624
28.9.4 Interworking SIP PRACK Messages .....................................................................624
28.9.5 Interworking SIP Session Timer............................................................................625
28.9.6 Interworking SIP Early Media................................................................................625
28.9.7 Interworking SIP re-INVITE Messages..................................................................627
28.9.8 Interworking SIP UPDATE Messages...................................................................628
28.9.9 Interworking SIP re-INVITE to UPDATE................................................................628
28.9.10Interworking Delayed Offer....................................................................................628
28.9.11Interworking Call Hold............................................................................................628
28.9.12Interworking SIP Via Headers ...............................................................................629
28.9.13Interworking SIP User-Agent Headers ..................................................................629
28.9.14Interworking SIP Record-Route Headers..............................................................629
28.9.15Interworking SIP To-Header Tags in Multiple SDP Answers ................................630
28.9.16Interworking In-dialog SIP Contact and Record-Route Headers...........................630
29 Enabling the SBC Application........................................................................631
30 Configuring General SBC Settings................................................................633
30.1 Interworking Dialog Information in SIP NOTIFY Messages.................................633
31 Configuring Admission Control.....................................................................637
32 Configuring Coder Groups.............................................................................641
32.1 Configuring Allowed Audio Coder Groups ...........................................................641
32.2 Configuring Allowed Video Coder Groups ...........................................................642
33 Routing SBC....................................................................................................645
33.1 Configuring Classification Rules ..........................................................................645
33.1.1 Classification Based on URI of Selected Header Example...................................651
33.2 Configuring Message Condition Rules.................................................................652
33.3 Configuring SBC IP-to-IP Routing........................................................................653
33.4 Configuring SIP Response Codes for Alternative Routing Reasons....................664
33.5 Configuring SBC Routing Policy Rules................................................................666

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34 SBC Manipulations..........................................................................................671
34.1 Configuring IP-to-IP Inbound Manipulations ........................................................673
34.2 Configuring IP-to-IP Outbound Manipulations......................................................677
35 Advanced SBC Features.................................................................................683
35.1 Configuring Call Preemption for SBC Emergency Calls ......................................683
35.2 Emergency Call Routing using LDAP to Obtain ELIN..........................................684
35.3 WebRTC ..............................................................................................................685
35.3.1 SIP over WebSocket..............................................................................................688
35.3.2 Configuring WebRTC.............................................................................................690
35.4 Call Forking..........................................................................................................691
35.4.1 Initiating SIP Call Forking ......................................................................................691
35.4.2 SIP Forking Initiated by SIP Proxy Server.............................................................691
35.4.3 Call Forking-based IP-to-IP Routing Rules............................................................692
35.5 Call Survivability...................................................................................................692
35.5.1 Auto-Provisioning of Subscriber-Specific Information for BroadWorks Server for
Survivability.........................................................................................................................692
35.5.2 BroadSoft's Shared Phone Line Call Appearance for SBC Survivability...............693
35.5.3 Call Survivability for Call Centers..........................................................................694
35.5.4 Survivability Mode Display on Aastra IP Phones ..................................................697
35.6 Alternative Routing on Detection of Failed SIP Response...................................697
Cloud Resilience Package....................................................................................699
36 CRP Overview..................................................................................................701
37 CRP Configuration..........................................................................................703
37.1 Enabling the CRP Application..............................................................................703
37.2 Configuring Call Survivability Mode .....................................................................703
37.3 Pre-Configured IP Groups....................................................................................705
37.4 Pre-Configured IP-to-IP Routing Rules................................................................706
37.4.1 Normal Mode.........................................................................................................706
37.4.2 Emergency Mode...................................................................................................707
37.4.3 Auto Answer to Registrations................................................................................707
37.5 Configuring PSTN Fallback..................................................................................708
High-Availability System.......................................................................................709
38 HA Overview....................................................................................................711
38.1 Connectivity and Synchronization between Devices............................................711
38.2 Device Switchover upon Failure...........................................................................712
38.3 HA Status on the Home Page..............................................................................714
39 HA Configuration.............................................................................................715
39.1 Initial HA Configuration ........................................................................................715
39.1.1 Network Topology Types and Rx/Tx Ethernet Port Group Settings......................715
39.1.2 Configuring the HA Devices ..................................................................................716
39.2 Configuration while HA is Operational .................................................................721
39.3 Configuring Firewall Allowed Rules......................................................................722

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39.4 Monitoring IP Entity and HA Switchover upon Ping Failure.................................723
40 HA Maintenance ..............................................................................................725
40.1 Maintenance of Redundant Device......................................................................725
40.2 Replacing a Failed Device ...................................................................................725
40.3 Forcing a Switchover............................................................................................726
40.4 Software Upgrade................................................................................................726
Maintenance...........................................................................................................727
41 Basic Maintenance..........................................................................................729
41.1 Resetting the Device............................................................................................729
41.2 Remotely Resetting Device using SIP NOTIFY...................................................730
41.3 Locking and Unlocking the Device.......................................................................731
41.4 Saving Configuration............................................................................................732
42 High Availability Maintenance........................................................................733
42.1 Initiating an HA Switchover..................................................................................733
42.2 Resetting the Redundant Unit..............................................................................733
43 Channel Maintenance .....................................................................................735
43.1 Disconnecting Active Calls...................................................................................735
43.2 Resetting an Analog Channel ..............................................................................735
43.3 Restarting a B-Channel........................................................................................736
43.4 Disabling Analog Ports.........................................................................................736
43.5 Locking and Unlocking Trunk Groups..................................................................736
44 Software Upgrade............................................................................................739
44.1 Auxiliary Files.......................................................................................................739
44.1.1 Loading Auxiliary Files...........................................................................................739
44.1.2 Deleting Auxiliary Files ..........................................................................................741
44.1.3 Call Progress Tones File .......................................................................................742
44.1.4 Prerecorded Tones File.........................................................................................746
44.1.5 CAS Files...............................................................................................................747
44.1.6 Dial Plan File..........................................................................................................747
44.1.7 User Information File .............................................................................................756
44.1.8 AMD Sensitivity File...............................................................................................764
44.2 Software License Key ..........................................................................................765
44.2.1 Obtaining the Software License Key File...............................................................765
44.2.2 Installing the Software License Key.......................................................................766
44.3 Upgrading SBC Capacity Licenses by License Pool Manager Server.................768
44.4 Software Upgrade Wizard....................................................................................770
44.5 Backing Up and Loading Configuration File.........................................................775
45 Automatic Provisioning..................................................................................777
45.1 Automatic Configuration Methods........................................................................777
45.1.1 DHCP-based Provisioning.....................................................................................777
45.1.2 HTTP-based Provisioning......................................................................................779
45.1.3 FTP- based Provisioning .......................................................................................780
45.1.4 Provisioning using AudioCodes EMS....................................................................780

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45.2 HTTP/S-Based Provisioning using the Automatic Update Feature......................781
45.2.1 Files Provisioned by Automatic Update.................................................................781
45.2.2 File Location for Automatic Update .......................................................................781
45.2.3 Triggers for Automatic Update...............................................................................782
45.2.4 Access Authentication with HTTP Server..............................................................783
45.2.5 Querying Provisioning Server for Updated Files...................................................783
45.2.6 File Download Sequence.......................................................................................786
45.2.7 Cyclic Redundancy Check on Downloaded Configuration Files...........................786
45.2.8 MAC Address Automatically Inserted in Configuration File Name........................787
45.2.9 Automatic Update Configuration Examples...........................................................787
46 Restoring Factory Defaults ............................................................................793
46.1 Restoring Factory Defaults through CLI...............................................................793
46.2 Restoring Factory Defaults through Web Interface..............................................793
46.3 Restoring Defaults using Hardware Reset Button................................................794
46.4 Restoring Defaults through ini File.......................................................................795
47 Automatic Archiving of Configuration File ...................................................797
48 USB Storage Capabilities...............................................................................799
Status, Performance Monitoring and Reporting.................................................801
49 System Status .................................................................................................803
49.1 Viewing Device Information..................................................................................803
49.2 Viewing Ethernet Port Information .......................................................................803
49.3 Reporting DSP Utilization through SNMP MIB.....................................................804
50 Carrier-Grade Alarms......................................................................................805
50.1 Viewing Active Alarms..........................................................................................805
50.2 Viewing History Alarms........................................................................................805
51 Performance Monitoring.................................................................................807
51.1 Viewing MOS per Media Realm...........................................................................807
51.2 Viewing Trunk Utilization......................................................................................808
51.3 Viewing Quality of Experience .............................................................................810
51.4 Viewing Average Call Duration ............................................................................811
52 VoIP Status ......................................................................................................813
52.1 Viewing Trunks & Channels Status......................................................................813
52.2 Viewing Analog Port Information..........................................................................815
52.3 Viewing NFAS Groups and D-Channel Status.....................................................815
52.4 Viewing Active IP Interfaces.................................................................................816
52.5 Viewing Ethernet Device Status...........................................................................817
52.6 Viewing Static Routes Status...............................................................................817
52.7 Viewing Performance Statistics............................................................................818
52.8 Viewing CDR History............................................................................................818
52.9 Viewing Call Counters..........................................................................................820
52.10Viewing Registered Users....................................................................................822
52.11Viewing Registration Status.................................................................................823

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52.12Viewing Call Routing Status.................................................................................824
52.13Viewing IP Connectivity........................................................................................825
53 Reporting Information to External Party.......................................................827
53.1 Configuring RTCP XR..........................................................................................827
53.2 Generating Call Detail Records............................................................................831
53.2.1 CDR Field Description...........................................................................................831
53.2.2 Customizing CDRs for Gateway Calls...................................................................843
53.2.3 Customizing CDRs for SBC Calls..........................................................................846
53.2.4 Configuring CDR Reporting...................................................................................850
53.2.5 Storing CDRs on the Device..................................................................................850
53.3 Configuring RADIUS Accounting .........................................................................852
53.4 Querying Device Channel Resources using SIP OPTIONS ................................858
Diagnostics............................................................................................................859
54 Syslog and Debug Recording ........................................................................861
54.1 Configuring Log Filter Rules.................................................................................861
54.1.1 Filtering IP Network Traces ...................................................................................865
54.2 Configuring Syslog...............................................................................................867
54.2.1 Syslog Message Format........................................................................................867
54.2.2 Configuring Web User Activities to Report to Syslog............................................873
54.2.3 Configuring Syslog Debug Level...........................................................................874
54.2.4 Configuring Address of Syslog Server...................................................................875
54.2.5 Enabling Syslog.....................................................................................................875
54.2.6 Viewing Syslog Messages.....................................................................................875
54.2.7 Viewing Web User Activity Logs............................................................................877
54.3 Configuring Debug Recording..............................................................................878
54.3.1 Configuring Address of Debug Recording Server.................................................878
54.3.2 Collecting Debug Recording Messages ................................................................879
54.3.3 Debug Capturing on Physical VoIP Interfaces ......................................................880
55 Self-Testing......................................................................................................881
56 Creating Core Dump and Debug Files upon Device Crash .........................883
57 Analog Line Testing........................................................................................885
57.1 FXO Line Testing.................................................................................................885
57.2 FXS Line Testing..................................................................................................886
58 Testing SIP Signaling Calls............................................................................887
58.1 Configuring Test Call Endpoints...........................................................................887
58.2 Starting and Stopping Test Calls..........................................................................891
58.3 Viewing Test Call Statistics..................................................................................892
58.4 Configuring DTMF Tones for Test Calls...............................................................894
58.5 Configuring Basic Test Call..................................................................................894
58.6 Configuring SBC Test Call with External Proxy ...................................................895
58.7 Test Call Configuration Examples........................................................................897

User's Manual 16 Document #: LTRT-10296
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59 Pinging a Remote Host or IP Address...........................................................901
Appendix................................................................................................................903
60 Dialing Plan Notation for Routing and Manipulation....................................905
61 Configuration Parameters Reference............................................................909
61.1 Management Parameters.....................................................................................909
61.1.1 General Parameters ..............................................................................................909
61.1.2 Web Parameters....................................................................................................909
61.1.3 Telnet Parameters.................................................................................................912
61.1.4 ini File Parameters.................................................................................................913
61.1.5 SNMP Parameters.................................................................................................913
61.1.6 Serial Parameters..................................................................................................917
61.1.7 Auxiliary and Configuration File Name Parameters ..............................................918
61.1.8 Automatic Update Parameters ..............................................................................919
61.2 Networking Parameters........................................................................................923
61.2.1 Ethernet Parameters..............................................................................................923
61.2.2 Multiple VoIP Network Interfaces and VLAN Parameters.....................................924
61.2.3 Routing Parameters...............................................................................................924
61.2.4 Open Solution Network (OSN) Parameters...........................................................925
61.2.5 Quality of Service Parameters...............................................................................925
61.2.6 NAT and STUN Parameters..................................................................................926
61.2.7 DNS Parameters....................................................................................................927
61.2.8 DHCP Parameters.................................................................................................928
61.2.9 NTP and Daylight Saving Time Parameters..........................................................930
61.3 Debugging and Diagnostics Parameters..............................................................932
61.3.1 General Parameters ..............................................................................................932
61.3.2 SIP Test Call Parameters......................................................................................934
61.3.3 Syslog, CDR and Debug Parameters....................................................................935
61.3.4 Resource Allocation Indication Parameters...........................................................941
61.3.5 HA Ping Parameters..............................................................................................941
61.4 Security Parameters.............................................................................................943
61.4.1 General Security Parameters................................................................................943
61.4.2 HTTPS Parameters ...............................................................................................945
61.4.3 SRTP Parameters..................................................................................................946
61.4.4 TLS Parameters.....................................................................................................948
61.4.5 SSH Parameters....................................................................................................950
61.4.6 IDS Parameters.....................................................................................................951
61.4.7 OCSP Parameters.................................................................................................952
61.5 Quality of Experience Parameters .......................................................................953
61.6 Control Network Parameters................................................................................956
61.6.1 IP Group, Proxy, Registration and Authentication Parameters.............................956
61.6.2 Network Application Parameters...........................................................................967
61.7 General SIP Parameters......................................................................................970
61.8 Coders and Profile Parameters..........................................................................1000
61.9 Channel Parameters..........................................................................................1002
61.9.1 Voice Parameters............................................................................................... 1002
61.9.2 Coder Parameters .............................................................................................. 1005
61.9.3 DTMF Parameters.............................................................................................. 1006
61.9.4 RTP, RTCP and T.38 Parameters...................................................................... 1007
61.10Gateway Application Parameters.......................................................................1013
61.10.1Fax and Modem Parameters.............................................................................. 1013

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61.10.2DTMF and Hook-Flash Parameters.................................................................... 1021
61.10.3Digit Collection and Dial Plan Parameters.......................................................... 1026
61.10.4Voice Mail Parameters........................................................................................ 1028
61.10.5Supplementary Services Parameters................................................................. 1033
61.10.6PSTN Parameters............................................................................................... 1061
61.10.7ISDN and CAS Interworking Parameters ........................................................... 1080
61.10.8Answer and Disconnect Supervision Parameters.............................................. 1096
61.10.9Tone Parameters................................................................................................ 1101
61.10.10 Telephone Keypad Sequence Parameters................................................... 1111
61.10.11 FXO and FXS Parameters ............................................................................ 1114
61.10.12 Trunk Groups and Routing Parameters ........................................................ 1118
61.10.13 IP Connectivity Parameters........................................................................... 1126
61.10.14 Alternative Routing Parameters .................................................................... 1127
61.10.15 Number Manipulation Parameters................................................................. 1130
61.11SBC Parameters................................................................................................1140
61.11.1Supplementary Services..................................................................................... 1156
61.12Standalone Survivability Parameters.................................................................1157
61.13IP Media Parameters .........................................................................................1161
61.14Services .............................................................................................................1166
61.14.1SIP-based Media Recording Parameters........................................................... 1166
61.14.2RADIUS and LDAP Parameters......................................................................... 1167
61.14.3Least Cost Routing Parameters ......................................................................... 1173
61.14.4Call Setup Rules Parameters............................................................................. 1173
61.14.5HTTP-based Services......................................................................................... 1174
61.14.6HTTP Proxy Parameters..................................................................................... 1175
62 SBC and DSP Channel Capacity..................................................................1177
62.1 Signaling-Media Sessions & User Registrations................................................1177
62.2 Channel Capacity and Capabilities....................................................................1178
63 Technical Specifications ..............................................................................1183

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Version 7.0 19 Mediant 800B Gateway and E- SBC
User's Manual Notices
Notice
This document describes AudioCodes Mediant 800 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: January-11-2016
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
Customer technical support and service are generally provided by AudioCodes’
Distributors, Partners, and Resellers from whom the product was purchased. For technical
support for products purchased directly from AudioCodes, or for customers subscribed to
AudioCodes Customer Technical Support (ACTS), contact suppor[email protected]m.
Abbreviations and Terminology
Each abbreviation, unless widely used, is spelled out in full when first used.

User's Manual 20 Document #: LTRT-10296
Mediant 800B Gateway and E- SBC
Related Documentation
Manual Name
SIP CPE Release Notes
Mediant 800B Gateway and E-SBC Hardware Installation Manual
Complementary Guides
CLI Reference Guide
CPE Configuration Guide for IP Voice Mail
SNMP User's Guide
SBC Design Guide
Recommended Security Guidelines Configuration Note
SIP Message Manipulations Quick Reference Guide
SAS Application Configuration Guide
CAS Protocol Table Configuration Note
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: The device is 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.