AudioCodes Mediant 500 E-SBC User manual

Mediant 500 E-SBC
Version 6.8
User's Manual
Enterprise Session Border Controller
Digital VoIP Media Gateway

Version 6.8 3 Mediant 500 E-SBC
User's Manual Contents
Table of Contents
1Overview ............................................................................................................21
Getting Started with Initial Connectivity................................................................23
2Introduction .......................................................................................................25
3Default OAMP IP Address.................................................................................27
4Configuring VoIP LAN Interface for OAMP .....................................................29
4.1 Web Interface.......................................................................................................29
4.2 CLI .......................................................................................................................31
Management Tools..................................................................................................33
5Introduction .......................................................................................................35
6Web-Based Management..................................................................................37
6.1 Getting Acquainted with the Web Interface...........................................................37
6.1.1 Computer Requirements..........................................................................................37
6.1.2 Accessing the Web Interface...................................................................................38
6.1.3 Areas of the GUI......................................................................................................39
6.1.4 Toolbar Description..................................................................................................40
6.1.5 Navigation Tree .......................................................................................................41
6.1.5.1 Displaying Navigation Tree in Basic and Full View..................................41
6.1.5.2 Showing / Hiding the Navigation Pane.....................................................42
6.1.6 Working with Configuration Pages ..........................................................................43
6.1.6.1 Accessing Pages......................................................................................43
6.1.6.2 Viewing Parameters.................................................................................43
6.1.6.3 Modifying and Saving Parameters...........................................................45
6.1.6.4 Working with Tables.................................................................................46
6.1.7 Searching for Configuration Parameters.................................................................47
6.1.8 Creating a Login Welcome Message.......................................................................48
6.1.9 Getting Help.............................................................................................................50
6.1.10 Logging Off the Web Interface.................................................................................51
6.2 Viewing the Home Page.......................................................................................51
6.2.1 Assigning a Port Name............................................................................................53
6.3 Configuring Web User Accounts...........................................................................54
6.3.1 Basic User Accounts Configuration.........................................................................55
6.3.2 Advanced User Accounts Configuration..................................................................57
6.4 Displaying Login Information upon Login..............................................................60
6.5 Configuring Web Security Settings.......................................................................61
6.6Web Login Authentication using Smart Cards.......................................................61
6.7 Configuring Web and Telnet Access List..............................................................62
7CLI-Based Management....................................................................................65
7.1Getting Familiar with CLI ......................................................................................65
7.1.1 Understanding Configuration Modes.......................................................................65
7.1.2 Using CLI Shortcuts.................................................................................................66
7.1.3 Common CLI Commands........................................................................................67
7.1.4 Configuring Tables in CLI........................................................................................68
7.1.5 Understanding CLI Error Messages........................................................................69

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7.2 Enabling CLI.........................................................................................................69
7.2.1 Enabling Telnet for CLI............................................................................................69
7.2.2 Enabling SSH with RSA Public Key for CLI.............................................................70
7.3 Establishing a CLI Session...................................................................................72
7.4 Configuring Maximum Telnet/SSH Sessions ........................................................73
7.5 Viewing and Terminating Current CLI Sessions....................................................73
7.6 Configuring Displayed Output Lines in CLI Terminal Window...............................74
8SNMP-Based Management...............................................................................75
8.1 Enabling SNMP and Configuring SNMP Community Strings................................75
8.2 Configuring SNMP Trap Destinations...................................................................77
8.3 Configuring SNMP Trusted Managers..................................................................79
8.4 Configuring SNMP V3 Users................................................................................80
9INI File-Based Management..............................................................................83
9.1 INI File Format......................................................................................................83
9.1.1 Configuring Individual ini File Parameters...............................................................83
9.1.2 Configuring Table ini File Parameters.....................................................................83
9.1.3 General ini File Formatting Rules............................................................................85
9.2 Configuring an ini File...........................................................................................85
9.3 Loading an ini File to the Device...........................................................................86
9.4 Secured Encoded ini File......................................................................................86
9.5 Configuring Password Display in ini File...............................................................87
9.6 INI Viewer and Editor Utility..................................................................................88
General System Settings ........................................................................................89
10 Configuring Certificates ...................................................................................91
10.1.1 Configuring TLS Certificate Contexts......................................................................91
10.1.2 Assigning CSR-based Certificates to TLS Contexts ...............................................95
10.1.3 Assigning Externally Created Private Keys to TLS Contexts ..................................96
10.1.4 Generating Private Keys for TLS Contexts..............................................................97
10.1.5 Creating Self-Signed Certificates for TLS Contexts ................................................98
10.1.6 Importing Certificates and Certificate Chain into Trusted Certificate Store.............99
10.1.7 Configuring Mutual TLS Authentication.................................................................100
10.1.7.1 TLS for SIP Clients.................................................................................100
10.1.7.2 TLS for Remote Device Management....................................................101
10.1.8 Configuring TLS Server Certificate Expiry Check .................................................102
11 Date and Time..................................................................................................103
11.1 Configuring Date and Time Manually..................................................................103
11.2 Configuring Automatic Date and Time using SNTP............................................103
11.3 Configuring Daylight Saving Time.......................................................................105
General VoIP Configuration..................................................................................107
12 Network............................................................................................................109
12.1 Configuring Physical Ethernet Ports...................................................................109
12.2 Configuring Ethernet Port Groups.......................................................................111
12.3 Configuring Underlying Ethernet Devices...........................................................114

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12.4 Configuring IP Network Interfaces......................................................................115
12.4.1 Assigning NTP Services to Application Types ......................................................119
12.4.2 Multiple Interface Table Configuration Summary and Guidelines.........................119
12.4.3 Networking Configuration Examples .....................................................................120
12.4.3.1 One VoIP Interface for All Applications..................................................120
12.4.3.2 VoIP Interface per Application Type.......................................................121
12.4.3.3 VoIP Interfaces for Combined Application Types ..................................121
12.4.3.4 VoIP Interfaces with Multiple Default Gateways ....................................123
12.5 Configuring Static IP Routes...............................................................................123
12.5.1 Configuration Example of Static IP Routes ...........................................................125
12.5.2 Troubleshooting the Routing Table .......................................................................126
12.6 Configuring Quality of Service ............................................................................127
12.7 Configuring ICMP Messages..............................................................................129
12.8 DNS ...................................................................................................................130
12.8.1 Configuring the Internal DNS Table.......................................................................130
12.8.2 Configuring the Internal SRV Table.......................................................................131
12.9 Network Address Translation Support ................................................................133
12.9.1 Device Located behind NAT..................................................................................133
12.9.1.1 Configuring a Static NAT IP Address for All Interfaces..........................134
12.9.1.2 Configuring NAT Translation per IP Interface........................................135
12.9.2 Remote UA behind NAT........................................................................................136
12.9.2.1 SIP Signaling Messages ........................................................................136
12.9.2.2 Media (RTP/RTCP/T.38)........................................................................137
12.10Robust Receipt of Media Streams by Media Latching.........................................139
12.11Multiple Routers Support....................................................................................140
13 Security............................................................................................................141
13.1 Configuring Firewall Settings..............................................................................141
13.2 Configuring General Security Settings................................................................145
13.3 Intrusion Detection System.................................................................................146
13.3.1 Enabling IDS..........................................................................................................147
13.3.2 Configuring IDS Policies........................................................................................147
13.3.3 Assigning IDS Policies...........................................................................................151
13.3.4 Viewing IDS Alarms...............................................................................................152
14 Media................................................................................................................155
14.1 Configuring Voice Settings .................................................................................155
14.1.1 Configuring Voice Gain (Volume) Control .............................................................155
14.1.2 Silence Suppression (Compression) .....................................................................155
14.1.3 Echo Cancellation..................................................................................................156
14.2 Fax and Modem Capabilities ..............................................................................157
14.2.1 Fax/Modem Operating Modes...............................................................................159
14.2.2 Fax/Modem Transport Modes ...............................................................................159
14.2.2.1 T.38 Fax Relay Mode.............................................................................159
14.2.2.2 G.711 Fax / Modem Transport Mode.....................................................162
14.2.2.3 Fax Fallback...........................................................................................162
14.2.2.4 Fax/Modem Bypass Mode......................................................................163
14.2.2.5 Fax / Modem NSE Mode........................................................................164
14.2.2.6 Fax / Modem Transparent with Events Mode ........................................165
14.2.2.7 Fax / Modem Transparent Mode............................................................165
14.2.2.8 RFC 2833 ANS Report upon Fax/Modem Detection .............................166
14.2.3 V.34 Fax Support...................................................................................................166
14.2.3.1 Bypass Mechanism for V.34 Fax Transmission.....................................167
14.2.3.2 Relay Mode for T.30 and V.34 Faxes ....................................................167

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14.2.3.3 V.34 Fax Relay for SG3 Fax Machines..................................................168
14.2.4 V.150.1 Modem Relay...........................................................................................169
14.2.5 Simultaneous Negotiation of Fax (T.38) and Modem (V.150.1) Relay..................170
14.2.6 V.152 Support........................................................................................................171
14.2.7 Fax Transmission behind NAT ..............................................................................172
14.3 Configuring RTP/RTCP Settings.........................................................................172
14.3.1 Configuring the Dynamic Jitter Buffer....................................................................172
14.3.2 Comfort Noise Generation.....................................................................................173
14.3.3 Dual-Tone Multi-Frequency Signaling...................................................................174
14.3.3.1 Configuring DTMF Transport Types.......................................................174
14.3.3.2 Configuring RFC 2833 Payload .............................................................175
14.3.4 Configuring RTP Base UDP Port...........................................................................176
14.4 Configuring IP Media Settings............................................................................178
14.4.1 Automatic Gain Control (AGC) ..............................................................................178
14.5 Configuring Various Codec Attributes.................................................................179
14.6 Configuring Media (SRTP) Security....................................................................179
15 Services ...........................................................................................................181
15.1 DHCP Server Functionality.................................................................................181
15.1.1 Configuring the DHCP Server ...............................................................................181
15.1.2 Configuring the Vendor Class Identifier.................................................................185
15.1.3 Configuring Additional DHCP Options...................................................................186
15.1.4 Configuring Static IP Addresses for DHCP Clients ...............................................188
15.1.5 Viewing and Deleting DHCP Clients......................................................................189
15.2 SIP-based Media Recording...............................................................................191
15.2.1 Enabling SIP-based Media Recording...................................................................194
15.2.2 Configuring SIP Recording Routing Rules ............................................................195
15.2.3 Configuring SIP User Part for SRS........................................................................196
15.2.4 Interworking SIP-based Media Recording with Third-Party Vendors....................196
15.2.4.1 Genesys .................................................................................................196
15.2.4.2 Avaya UCID............................................................................................197
15.3 RADIUS Authentication ......................................................................................198
15.3.1 Setting Up a Third-Party RADIUS Server..............................................................199
15.3.2 Configuring RADIUS Authentication......................................................................200
15.3.3 Securing RADIUS Communication........................................................................201
15.3.4 Authenticating RADIUS in the URL.......................................................................201
15.4 LDAP-based Management and SIP Services .....................................................202
15.4.1 Enabling the LDAP Service ...................................................................................203
15.4.2 Enabling LDAP-based Web/CLI User Login Authentication and Authorization.....204
15.4.3 Configuring LDAP Servers.....................................................................................204
15.4.4 Configuring LDAP DNs (Base Paths) per LDAP Server........................................207
15.4.5 Configuring the LDAP Search Filter Attribute........................................................208
15.4.6 Configuring Access Level per Management Groups Attributes.............................209
15.4.7 Configuring LDAP Search Methods.......................................................................211
15.4.8 Configuring the Device's LDAP Cache..................................................................211
15.4.9 Configuring Local Database for Management User Authentication ......................213
15.4.10 LDAP-based Login Authentication Example..........................................................215
15.4.11 Active Directory-based Routing for Microsoft Lync ...............................................219
15.4.11.1Querying the AD and Routing Priority....................................................219
15.4.11.2Configuring AD-Based Routing Rules....................................................222
15.4.11.3Querying the AD for Calling Name.........................................................224
15.5 Least Cost Routing.............................................................................................225
15.5.1 Overview................................................................................................................225
15.5.2 Configuring LCR ....................................................................................................227
15.5.2.1 Enabling the LCR Feature......................................................................227
15.5.2.2 Configuring Cost Groups........................................................................229

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15.5.2.3 Configuring Time Bands for Cost Groups ..............................................230
15.5.2.4 Assigning Cost Groups to Routing Rules...............................................231
15.6 Configuring Call Setup Rules..............................................................................232
15.6.1 Call Setup Rule Examples.....................................................................................236
16 Quality of Experience......................................................................................239
16.1 Reporting Voice Quality of Experience to SEM...................................................239
16.1.1 Configuring the SEM Server..................................................................................239
16.1.2 Configuring Clock Synchronization between Device and SEM.............................240
16.1.3 Enabling RTCP XR Reporting to SEM ..................................................................240
16.2 Configuring Quality of Experience Profiles..........................................................240
16.3 Configuring Bandwidth Profiles...........................................................................244
16.4 Configuring Media Enhancement Profiles...........................................................247
17 Control Network ..............................................................................................251
17.1 Configuring Media Realms .................................................................................251
17.2 Configuring Remote Media Subnets...................................................................254
17.3 Configuring SRDs...............................................................................................256
17.4 Configuring SIP Interfaces..................................................................................259
17.5 Configuring IP Groups........................................................................................263
17.6 Configuring Proxy Sets.......................................................................................274
18 SIP Definitions.................................................................................................281
18.1 Configuring SIP Parameters...............................................................................281
18.2 Configuring Registration Accounts......................................................................281
18.2.1 Regular Registration Mode....................................................................................284
18.2.2 Single Registration for Multiple Phone Numbers using GIN..................................284
18.3 Configuring Proxy and Registration Parameters.................................................285
18.3.1 SIP Message Authentication Example ..................................................................287
18.4 Configuring SIP Message Manipulation..............................................................289
18.5 Configuring SIP Message Policy Rules...............................................................294
19 Coders and Profiles ........................................................................................297
19.1 Configuring Default Coders ................................................................................297
19.2 Configuring Coder Groups..................................................................................300
19.3 Configuring Tel Profile........................................................................................301
19.4 Configuring IP Profiles........................................................................................304
Gateway Application .............................................................................................329
20 Introduction .....................................................................................................331
21 Digital PSTN.....................................................................................................333
21.1 Configuring Trunk Settings.................................................................................333
21.2 TDM and Timing.................................................................................................335
21.2.1 Configuring TDM Bus Settings ..............................................................................335
21.2.2 Clock Settings........................................................................................................336
21.2.2.1 Recovering Clock from PSTN Line Interface .........................................336
21.2.2.2 Configuring Internal Clock as Clock Source...........................................337
21.3 Configuring CAS State Machines .......................................................................337

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21.4 Configuring Digital Gateway Parameters............................................................340
21.5 Tunneling Applications .......................................................................................341
21.5.1 TDM Tunneling......................................................................................................341
21.5.1.1 DSP Pattern Detector.............................................................................344
21.5.2 QSIG Tunneling.....................................................................................................344
21.6 ISDN Non-Facility Associated Signaling (NFAS) ................................................345
21.6.1 NFAS Interface ID..................................................................................................346
21.6.2 Working with DMS-100 Switches ..........................................................................346
21.6.3 Creating an NFAS-Related Trunk Configuration...................................................347
21.6.4 Performing Manual D-Channel Switchover in NFAS Group..................................348
21.7 ISDN Overlap Dialing .........................................................................................348
21.7.1 Collecting ISDN Digits and Sending Complete Number in SIP.............................348
21.7.2 Interworking ISDN Overlap Dialing with SIP According to RFC 3578...................349
21.8 Redirect Number and Calling Name (Display) ....................................................351
22 Trunk Group ....................................................................................................353
22.1 Configuring Trunk Group Table ..........................................................................353
22.2 Configuring Trunk Group Settings ......................................................................355
23 Manipulation....................................................................................................361
23.1 Configuring General Settings..............................................................................361
23.2 Configuring Source/Destination Number Manipulation Rules..............................361
23.3 Manipulating Number Prefix ...............................................................................367
23.4 SIP Calling Name Manipulations ........................................................................368
23.5 Configuring Redirect Number IP to Tel...............................................................371
23.6 Manipulating Redirected and Diverted Numbers for Call Diversion.....................375
23.7 Mapping NPI/TON to SIP Phone-Context...........................................................376
23.8 Configuring Release Cause Mapping .................................................................378
23.8.1 Fixed Mapping of SIP Response to ISDN Release Reason..................................379
23.8.2 Fixed Mapping of ISDN Release Reason to SIP Response..................................380
23.8.3 Reason Header......................................................................................................383
23.9 Numbering Plans and Type of Number...............................................................384
24 Routing.............................................................................................................385
24.1 Configuring General Routing Parameters...........................................................385
24.2 Configuring Outbound IP Routing Table.............................................................385
24.3 Configuring Inbound IP Routing Table................................................................394
24.4 IP Destinations Connectivity Feature..................................................................399
24.5 Alternative Routing for Tel-to-IP Calls.................................................................400
24.5.1 Alternative Routing Based on IP Connectivity.......................................................400
24.5.2 Alternative Routing Based on SIP Responses......................................................401
24.5.3 Alternative Routing upon SIP 3xx with Multiple Contacts......................................403
24.5.4 PSTN Fallback.......................................................................................................404
24.6 Alternative Routing for IP-to-Tel Calls.................................................................405
24.6.1 Alternative Routing to Trunk upon Q.931 Call Release Cause Code ...................405
24.6.2 Alternative Routing to an IP Destination upon a Busy Trunk ................................406
24.6.3 Alternative Routing upon ISDN Disconnect...........................................................408
25 Configuring DTMF and Dialing.......................................................................409
25.1 Dialing Plan Features.........................................................................................409
25.1.1 Digit Mapping.........................................................................................................409
25.1.2 External Dial Plan File ...........................................................................................411

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26 Configuring Supplementary Services ...........................................................413
26.1 Call Hold and Retrieve........................................................................................414
26.2 Call Transfer.......................................................................................................414
26.2.1 Consultation Call Transfer.....................................................................................414
26.2.2 Consultation Transfer for QSIG Path Replacement ..............................................415
26.2.3 Blind Call Transfer.................................................................................................415
26.3 Call Forward.......................................................................................................416
26.4 Message Waiting Indication................................................................................417
26.5 Emergency E911 Phone Number Services.........................................................418
26.5.1 Pre-empting Existing Calls for E911 IP-to-Tel Calls..............................................418
26.5.2 Enhanced 9-1-1 Support for Lync Server 2010.....................................................419
26.5.2.1 About E9-1-1 Services ...........................................................................419
26.5.2.2 Microsoft Lync Server 2010 and E9-1-1.................................................420
26.5.2.3 AudioCodes ELIN Gateway for Lync Server 2010 E9-1-1 Calls to PSTN
424
26.5.2.4 Configuring AudioCodes ELIN Gateway................................................429
26.6 Multilevel Precedence and Preemption...............................................................432
26.6.1 MLPP Preemption Events in SIP Reason Header ................................................434
26.6.2 Precedence Ring Tone..........................................................................................435
26.7 Detecting Collect Calls .......................................................................................436
26.8 Advice of Charge Services for Euro ISDN ..........................................................436
26.9 Configuring Charge Codes.................................................................................438
26.10Configuring Voice Mail........................................................................................440
Session Border Controller Application................................................................441
27 SBC Overview..................................................................................................443
27.1 SIP Network Definitions......................................................................................444
27.2 SIP Dialog Initiation Process ..............................................................................444
27.3 User Registration................................................................................................447
27.3.1 Initial Registration Request Processing.................................................................447
27.3.2 SBC Users Registration Database ........................................................................448
27.3.3 Routing using Users Registration Database..........................................................448
27.3.4 Registration Refreshes..........................................................................................448
27.3.5 Registration Restriction Control.............................................................................449
27.4 SBC Media Handling..........................................................................................450
27.4.1 Media Anchoring without Transcoding (Transparent) ...........................................451
27.4.2 No Media Anchoring..............................................................................................451
27.4.3 Restricting Coders .................................................................................................453
27.4.4 Prioritizing Coder List in SDP Offer.......................................................................454
27.4.5 SRTP-RTP and SRTP-SRTP Transcoding ...........................................................454
27.4.6 Multiple RTP Media Streams per Call Session .....................................................455
27.5 Limiting SBC Call Duration.................................................................................455
27.6 SBC Authentication ............................................................................................455
27.6.1 SIP Authentication Server Functionality................................................................455
27.6.2 User Authentication based on RADIUS.................................................................456
27.7 Interworking SIP Signaling..................................................................................457
27.7.1 Interworking SIP 3xx Redirect Responses............................................................457
27.7.1.1 Resultant INVITE Traversing Device .....................................................457
27.7.1.2 Local Handling of SIP 3xx......................................................................458

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27.7.2 Interworking SIP Diversion and History-Info Headers...........................................459
27.7.3 Interworking SIP REFER Messages......................................................................459
27.7.4 Interworking SIP PRACK Messages .....................................................................460
27.7.5 Interworking SIP Session Timer ............................................................................460
27.7.6 Interworking SIP Early Media ................................................................................461
27.7.7 Interworking SIP re-INVITE Messages..................................................................463
27.7.8 Interworking SIP UPDATE Messages ...................................................................463
27.7.9 Interworking SIP re-INVITE to UPDATE................................................................463
27.7.10 Interworking Call Hold............................................................................................463
27.8 Call Survivability.................................................................................................464
27.8.1 Auto-Provisioning of Subscriber-Specific Information for BroadWorks Server for
Survivability.........................................................................................................................464
27.8.2 BroadSoft's Shared Phone Line Call Appearance for SBC Survivability...............465
27.8.3 Call Survivability for Call Centers ..........................................................................466
27.8.4 Survivability Mode Display on Aastra IP Phones ..................................................468
27.9 Call Forking........................................................................................................469
27.9.1 Initiating SIP Call Forking ......................................................................................469
27.9.2 SIP Forking Initiated by SIP Proxy Server.............................................................469
27.9.3 Call Forking-based IP-to-IP Routing Rules............................................................470
27.10Alternative Routing on Detection of Failed SIP Response ..................................470
28 SBC Configuration..........................................................................................471
28.1 Configuring General Settings..............................................................................471
28.1.1 Interworking Dialog Information in SIP NOTIFY Messages ..................................471
28.2 Configuring Admission Control...........................................................................473
28.3 Configuring Allowed Audio Coder Groups ..........................................................477
28.4 Configuring Allowed Video Coder Groups ..........................................................479
28.5 Routing SBC.......................................................................................................480
28.5.1 Configuring Classification Rules............................................................................480
28.5.1.1 Classification Based on URI of Selected Header Example....................485
28.5.2 Configuring Message Condition Rules ..................................................................486
28.5.3 Configuring SBC IP-to-IP Routing .........................................................................488
28.5.4 Configuring SIP Response Codes for Alternative Routing Reasons.....................497
28.6 SBC Manipulations.............................................................................................499
28.6.1 Configuring IP-to-IP Inbound Manipulations..........................................................502
28.6.2 Configuring IP-to-IP Outbound Manipulations.......................................................505
Cloud Resilience Package....................................................................................511
29 CRP Overview..................................................................................................513
30 CRP Configuration..........................................................................................515
30.1 Enabling the CRP Application.............................................................................515
30.2 Configuring Call Survivability Mode ....................................................................516
30.3 Pre-Configured IP Groups..................................................................................517
30.4 Pre-Configured IP-to-IP Routing Rules...............................................................518
30.4.1 Normal Mode .........................................................................................................518
30.4.2 Emergency Mode...................................................................................................519
30.4.3 Auto Answer to Registrations ................................................................................519
30.5 Configuring PSTN Fallback ................................................................................520

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High-Availability System.......................................................................................521
31 HA Overview....................................................................................................523
31.1 Connectivity and Synchronization between Devices...........................................523
31.2 Device Switchover upon Failure .........................................................................524
31.3 HA Status on the Home Page.............................................................................525
32 HA Configuration.............................................................................................527
32.1 Initial HA Configuration.......................................................................................527
32.1.1 Network Topology Types and Rx/Tx Ethernet Port Group Settings......................527
32.1.2 Configuring the HA Devices ..................................................................................528
32.1.2.1 Step 1: Configure the First Device .........................................................529
32.1.2.2 Step 2: Configure the Second Device....................................................531
32.1.2.3 Step 3: Initialize HA on the Devices.......................................................532
32.2 Configuration while HA is Operational ................................................................533
32.3 Configuring Firewall Allowed Rules ....................................................................534
33 HA Maintenance ..............................................................................................535
33.1 Maintenance of Redundant Device.....................................................................535
33.2 Replacing a Failed Device..................................................................................535
33.3 Forcing a Switchover..........................................................................................535
33.4 Software Upgrade ..............................................................................................535
Maintenance...........................................................................................................537
34 Basic Maintenance..........................................................................................539
34.1 Resetting the Device ..........................................................................................539
34.2 Remotely Resetting Device using SIP NOTIFY ..................................................540
34.3 Locking and Unlocking the Device......................................................................541
34.4 Saving Configuration..........................................................................................542
35 High Availability Maintenance........................................................................543
36 Disconnecting Active Calls ............................................................................545
37 Resetting Channels.........................................................................................547
37.1 Restarting a B-Channel......................................................................................547
38 Locking and Unlocking Trunk Groups..........................................................549
39 Software Upgrade............................................................................................551
39.1 Loading Auxiliary Files........................................................................................551
39.1.1 Call Progress Tones File .......................................................................................553
39.1.2 Prerecorded Tones File.........................................................................................555
39.1.3 CAS Files...............................................................................................................556
39.1.4 Dial Plan File..........................................................................................................556
39.1.4.1 Creating a Dial Plan File.........................................................................556
39.1.4.2 Dialing Plans for Digit Collection............................................................557
39.1.4.3 Dial Plan Prefix Tags for Routing...........................................................559
39.1.4.4 Obtaining IP Destination from Dial Plan File..........................................562
39.1.4.5 Modifying ISDN-to-IP Calling Party Number..........................................563

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39.1.5 User Information File .............................................................................................564
39.1.5.1 Enabling the User Info Table..................................................................564
39.1.5.2 Gateway User Information for PBX Extensions and "Global" Numbers.564
39.1.5.3 User Information File for SBC User Database.......................................568
39.2 Software License Key.........................................................................................572
39.2.1 Obtaining the Software License Key File...............................................................572
39.2.2 Installing the Software License Key.......................................................................573
39.2.2.1 Installing Software License Key using Web Interface............................573
39.2.2.2 Installing Software License Key using CLI.............................................574
39.3 Software Upgrade Wizard...................................................................................575
39.4 Backing Up and Loading Configuration File........................................................580
40 Automatic Update Mechanism.......................................................................583
40.1 Automatic Configuration Methods.......................................................................583
40.1.1 DHCP-based Provisioning.....................................................................................583
40.1.2 Provisioning from HTTP Server using DHCP Option 67.......................................584
40.1.3 Provisioning from TFTP Server using DHCP Option 66........................................585
40.1.4 HTTP-based Provisioning......................................................................................585
40.1.5 FTP- based Provisioning .......................................................................................586
40.1.6 Provisioning using AudioCodes EMS....................................................................586
40.2 HTTP/S-Based Provisioning using the Automatic Update Feature......................587
40.2.1 Files Provisioned by Automatic Update.................................................................587
40.2.2 File Location for Automatic Update .......................................................................587
40.2.3 Triggers for Automatic Update...............................................................................588
40.2.4 Access Authentication with HTTP Server..............................................................589
40.2.5 Querying Provisioning Server for Updated Files ...................................................589
40.2.6 File Download Sequence.......................................................................................591
40.2.7 Cyclic Redundancy Check on Downloaded Configuration Files ...........................592
40.2.8 MAC Address Automatically Inserted in Configuration File Name........................592
40.2.9 Automatic Update Configuration Examples...........................................................593
40.2.9.1 Automatic Update for Single Device ......................................................593
40.2.9.2 Automatic Update from Remote Servers ...............................................594
40.2.9.3 Automatic Update for Mass Deployment................................................595
41 Restoring Factory Defaults ............................................................................597
41.1 Restoring Defaults using CLI..............................................................................597
41.2 Restoring Defaults using Hardware Reset Button...............................................598
41.3 Restoring Defaults using an ini File ....................................................................598
42 Saving Current Configuration to a File and Sending it to Remote
Destination.............................................................................................................599
43 USB Storage Capabilities...............................................................................601
Status, Performance Monitoring and Reporting.................................................603
44 System Status .................................................................................................605
44.1 Viewing Device Information................................................................................605
44.2 Viewing Ethernet Port Information......................................................................606
45 Carrier-Grade Alarms......................................................................................607
45.1 Viewing Active Alarms........................................................................................607
45.2 Viewing Alarm History ........................................................................................608

Version 6.8 13 Mediant 500 E-SBC
User's Manual Contents
46 Performance Monitoring.................................................................................609
46.1 Viewing MOS per Media Realm..........................................................................609
46.2 Viewing Trunk Utilization ....................................................................................610
46.3 Viewing Quality of Experience............................................................................611
46.4 Viewing Average Call Duration...........................................................................613
47 VoIP Status......................................................................................................615
47.1 Viewing Trunks & Channels Status.....................................................................615
47.2 Viewing NFAS Groups and D-Channel Status....................................................617
47.3 Viewing Active IP Interfaces...............................................................................618
47.4 Viewing Ethernet Device Status..........................................................................619
47.5 Viewing Static Routes Status..............................................................................619
47.6 Viewing Performance Statistics ..........................................................................620
47.7 Viewing CDR History..........................................................................................620
47.8 Viewing Call Counters........................................................................................622
47.9 Viewing Registered SAS/SBC Users..................................................................624
47.10Viewing Registration Status................................................................................625
47.11Viewing Call Routing Status ...............................................................................625
47.12Viewing IP Connectivity......................................................................................627
48 Reporting Information to External Party.......................................................629
48.1 Configuring RTCP XR ........................................................................................629
48.2 Generating Call Detail Records ..........................................................................633
48.2.1 Configuring CDR Reporting...................................................................................634
48.2.2 CDR Field Description...........................................................................................634
48.2.2.1 CDR Fields for SBC Signaling ...............................................................634
48.2.2.2 CDR Fields for SBC Media.....................................................................638
48.2.2.3 CDR Fields for Gateway/IP-to-IP Application.........................................639
48.2.2.4 Release Reasons in CDR ......................................................................643
48.3 Configuring RADIUS Accounting........................................................................645
48.4 Event Notification using X-Detect Header...........................................................650
48.5 Querying Device Channel Resources using SIP OPTIONS................................653
Diagnostics............................................................................................................655
49 Syslog and Debug Recordings ......................................................................657
49.1 Syslog Message Format.....................................................................................657
49.1.1 Event Representation in Syslog Messages...........................................................658
49.1.2 Identifying AudioCodes Syslog Messages using Facility Levels...........................660
49.1.3 SNMP Alarms in Syslog Messages.......................................................................661
49.2 Enabling Syslog..................................................................................................662
49.3 Configuring Web Operations to Report to Syslog ...............................................663
49.4 Configuring Debug Recording ............................................................................663
49.5 Filtering Syslog Messages and Debug Recordings.............................................664
49.5.1 Filtering IP Network Traces ...................................................................................666
49.6 Viewing Syslog Messages..................................................................................667
49.7 Collecting Debug Recording Messages..............................................................669
49.8 Debug Capturing on Physical VoIP Interfaces....................................................670

User's Manual 14 Document #: LTRT-10437
Mediant 500 E-SBC
50 Self-Testing......................................................................................................671
51 Creating Core Dump and Debug Files upon Device Crash .........................673
52 Testing SIP Signaling Calls............................................................................675
52.1 Configuring Test Call Endpoints .........................................................................675
52.2 Starting and Stopping Test Calls ........................................................................679
52.3 Viewing Test Call Statistics.................................................................................680
52.4 Configuring DTMF Tones for Test Calls..............................................................681
52.5 Configuring Basic Test Call ................................................................................682
52.6 Configuring SBC Test Call with External Proxy...................................................683
52.7 Test Call Configuration Examples.......................................................................684
Appendix................................................................................................................687
53 Dialing Plan Notation for Routing and Manipulation....................................689
54 Configuration Parameters Reference............................................................691
54.1 Management Parameters...................................................................................691
54.1.1 General Parameters ..............................................................................................691
54.1.2 Web Parameters....................................................................................................691
54.1.3 Telnet Parameters.................................................................................................695
54.1.4 ini File Parameters.................................................................................................696
54.1.5 SNMP Parameters.................................................................................................696
54.1.6 Serial Parameters..................................................................................................700
54.1.7 Auxiliary and Configuration File Name Parameters ..............................................701
54.1.8 Automatic Update Parameters ..............................................................................702
54.2 Networking Parameters......................................................................................706
54.2.1 Ethernet Parameters..............................................................................................706
54.2.2 Multiple VoIP Network Interfaces and VLAN Parameters .....................................707
54.2.3 Routing Parameters...............................................................................................707
54.2.4 Quality of Service Parameters...............................................................................708
54.2.5 NAT Parameters....................................................................................................709
54.2.6 DNS Parameters....................................................................................................710
54.2.7 DHCP Parameters.................................................................................................711
54.2.8 NTP and Daylight Saving Time Parameters..........................................................713
54.3 Debugging and Diagnostics Parameters.............................................................715
54.3.1 General Parameters ..............................................................................................715
54.3.2 SIP Test Call Parameters......................................................................................716
54.3.3 Syslog, CDR and Debug Parameters....................................................................717
54.3.4 Resource Allocation Indication Parameters...........................................................722
54.3.5 HA Ping Parameters..............................................................................................723
54.4 Security Parameters...........................................................................................724
54.4.1 General Security Parameters ................................................................................724
54.4.2 HTTPS Parameters ...............................................................................................726
54.4.3 SRTP Parameters..................................................................................................728
54.4.4 TLS Parameters.....................................................................................................730
54.4.5 SSH Parameters....................................................................................................732
54.4.6 IDS Parameters.....................................................................................................733
54.5 Quality of Experience Parameters......................................................................735
54.6 Control Network Parameters ..............................................................................737
54.6.1 IP Group, Proxy, Registration and Authentication Parameters.............................737
54.6.2 Network Application Parameters ...........................................................................748
54.7 General SIP Parameters ....................................................................................750

Version 6.8 15 Mediant 500 E-SBC
User's Manual Contents
54.8 Coders and Profile Parameters...........................................................................779
54.9 Channel Parameters...........................................................................................782
54.9.1 Voice Parameters..................................................................................................782
54.9.2 Coder Parameters .................................................................................................784
54.9.3 DTMF Parameters.................................................................................................785
54.9.4 RTP, RTCP and T.38 Parameters.........................................................................786
54.10Gateway and IP-to-IP Parameters......................................................................791
54.10.1 Fax and Modem Parameters.................................................................................791
54.10.2 DTMF and Hook-Flash Parameters.......................................................................798
54.10.3 Digit Collection and Dial Plan Parameters.............................................................801
54.10.4 Voice Mail Parameters...........................................................................................803
54.10.5 Supplementary Services Parameters....................................................................808
54.10.5.1Caller ID Parameters..............................................................................808
54.10.5.2Call Waiting Parameters.........................................................................809
54.10.5.3Call Forwarding Parameters ..................................................................810
54.10.5.4Call Hold Parameters.............................................................................810
54.10.5.5Call Transfer Parameters.......................................................................811
54.10.5.6MLPP and Emergency Call Parameters ................................................813
54.10.5.7Call Cut-Through Parameters ................................................................818
54.10.6 PSTN Parameters..................................................................................................819
54.10.6.1General Parameters...............................................................................819
54.10.6.2TDM Bus and Clock Timing Parameters................................................824
54.10.6.3CAS Parameters ....................................................................................826
54.10.6.4ISDN Parameters...................................................................................829
54.10.7 ISDN and CAS Interworking Parameters ..............................................................836
54.10.8 Answer and Disconnect Supervision Parameters .................................................852
54.10.9 Tone Parameters...................................................................................................855
54.10.9.1Telephony Tone Parameters..................................................................855
54.10.9.2Tone Detection Parameters ...................................................................860
54.10.9.3Metering Tone Parameters.....................................................................861
54.10.10 Trunk Groups and Routing Parameters ...........................................................862
54.10.11 IP Connectivity Parameters..............................................................................870
54.10.12 Alternative Routing Parameters .......................................................................871
54.10.13 Number Manipulation Parameters....................................................................873
54.11SBC Parameters ................................................................................................884
54.12Standalone Survivability Parameters..................................................................897
54.13IP Media Parameters..........................................................................................902
54.14Services .............................................................................................................906
54.14.1 SIP-based Media Recording Parameters..............................................................906
54.14.2 RADIUS and LDAP Parameters............................................................................907
54.14.2.1General Parameters...............................................................................907
54.14.2.2RADIUS Parameters ..............................................................................907
54.14.2.3LDAP Parameters ..................................................................................909
54.14.3 Least Cost Routing Parameters ............................................................................912
54.14.4 Call Setup Rules Parameters ................................................................................913
55 SBC and DSP Channel Capacity....................................................................915
55.1 Signaling-Media Sessions & User Registrations.................................................915
55.2 Channel Capacity and Capabilities.....................................................................916
56 Technical Specifications ................................................................................917

User's Manual 16 Document #: LTRT-10437
Mediant 500 E-SBC
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Version 6.8 17 Mediant 500 E-SBC
User's Manual Notices
Notice
This document describes AudioCodes Mediant 500 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-21-2016
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 18 Document #: LTRT-10437
Mediant 500 E-SBC
Related Documentation
Manual Name
SIP CPE Release Notes
Mediant 500 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
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, Ethernet port interface cabling must be routed only indoors and
must not exit the building.
Note: The scope of this document does not fully cover security aspects for deploying
the device in your environment. Security measures should be done in accordance
with your organization’s security policies. For basic security guidelines, refer to
AudioCodes Recommended Security Guidelines document.
Note: Throughout this manual, unless otherwise specified, the term device refers to
your AudioCodes product.
Note: Before configuring the device, ensure that it is installed correctly as instructed
in the Hardware Installation Manual.

Version 6.8 19 Mediant 500 E-SBC
User's Manual Notices
Notes:
•By default, the device supports export-grade (40-bit and 56-bit) encryption due to
US government restrictions on the export of security technologies. To enable 128-
bit and 256-bit encryption on your device, contact your AudioCodes sales
representative.
•This device includes software developed by the OpenSSL Project for use in the
OpenSSL Toolkit (http://www.openssl.org/).
•This device includes cryptographic software written by Eric Young
([e-mail]).
Note: Some of the features listed in this document are available only if the relevant
Software License Key has been purchased from AudioCodes and installed on the
device. For a list of Software License Keys that can be purchased, please consult
your AudioCodes sales representative.
Note: OPEN SOURCE SOFTWARE. Portions of the software may be open source
software and may be governed by and distributed under open source licenses, such
as the terms of the GNU General Public License (GPL), the terms of the Lesser
General Public License (LGPL), BSD and LDAP, which terms are located at:
http://www.audiocodes.com/support and all are incorporated herein by reference. If
any open source software is provided in object code, and its accompanying license
requires that it be provided in source code as well, Buyer may receive such source
code by contacting AudioCodes, by following the instru
ctions available on
AudioCodes website.
Document Revision Record
LTRT Description
10420 Initial document release for Version 6.8.
10429 Screenshot updated for example of SIP message manipulation rules; available video
coders not based on license key; AupdHttpUserAgent parameter updated; RFC
updated for CDR Syslog message (RFC 3164); core dump procedure updated; HA
Settings page screenshot updated for configuring HA
10431 New parameter added - PM_EnableThresholdAlarms; Web Users table CLI commands
updated; Web Users table parameter descriptions of Session Limit and Session
Timeout updated; IPv6 Feature Key removed; Internal DNS table supports up to 3 (not
4) IP addresses per host name; remote UA behind NAT for media section updated;
MgmntLDAPGroups_Leve
l parameter values updated; lock/unlock Trunk Group feature
added; CRP Normal mode preconfiguration updated; write-and-backup CLI command
updated; PSTN trace updated; Ethernet Group section updated.
Descriptions of the following parameters were updated:
SRD_EnableUnAuthenticatedRegistrations; WebSessionTimeout;
DigitalOOSBehaviorForTrunk; DigitalOOSBehavior.

User's Manual 20 Document #: LTRT-10437
Mediant 500 E-SBC
LTRT Description
10435 New parameter added: NetworkNodeId
Descriptions of the following parameters were updated:
SRD_EnableUnAuthenticatedRegistrations;WebSessionTimeout;
TLSContexts_TLSVersion
New parameters: HAUnitIdName; HARemoteAddress; HARevertiveEnabled; HAPriority
;
PublicationIPGroupID.
G.727 removed; NFS removed
Updated parameter descriptions: TLSContexts_TLSVersion; BaseUDPPort;
HTTPRemoteServices_VerifyCertificate; HTTPInterface_VerifyCert;
HTTPProxyHost_VerifyCert; CpMediaRealm_PortRangeEnd;
CpMediaRealm_PortRangeStart; SIPInterface_UDPPort; IPGroup_Type;
IPGroup_SIPGroupName; IPGroup_ClassifyByProxySet; IPGroup_InboundManSet;
IPGroup_OutboundManSet; MessageManipulations_RowRole; BaseUDPport;
RTCPXREscIP; ISDNTxOverlap; ISDNRxOverlap; SBCAdmissionControl_Rate;
Updated sections: Configuring RTP Base UDP Port; Configuring IP Groups (matching
methodology); Configuring SIP Message Manipulation; Configuring Source/Destination
Number Manipulation Rules; SIP Calling Name Manipulations; Configuring Redirect
Number IP to Tel; Configuring Tel-to-IP Routing Rules; Configuring IP-to-Trunk Group
Routing Rules; Configuring Classification Rules; Configuring SBC IP-to-IP Routing;
Configuring RTCP XR; Configuring RTCP XR; Interworking ISDN Overlap Dialing with
SIP According to RFC 3578.
10437 New parameters added: Generated Registers Interval
Updated parameters: Action Type; Max Generated Register Rate; Gateway RTCP XR
Report Mode.
Deleted parameters: Port.
Updated sections: Configuring Underlying Ethernet Devices; Configuring the SEM
Server; Disconnect on Broken Connection; Forward Destination; Call Trigger;
Configuring RTCP XR.
Documentation Feedback
AudioCodes continually strives to produce high quality documentation. If you have any
comments (suggestions or errors) regarding this document, please fill out the
Documentation Feedback form on our Web site at http://www.audiocodes.com/downloads.