AudioCodes Mediant 2000 User manual

Document #: LTRT-69805 June 2006
™ VoIP Mediant™ Media Gateways
Mediant™ 2000 MGCP, MEGACO, TPNCP
User’s Manual version 5.0

Version 5.0 3 June 2006
User's Manual Contents
Table of Contents
Introductory Notes ..................................................................................................19
1Overview of the Mediant 2000 ..........................................................................21
1.1 General Features .....................................................................................21
1.2 Available Configurations ........................................................................23
1.3 Functional Block Diagram ......................................................................23
1.4 Typical Application Diagram ..................................................................24
2Hardware Equipment ........................................................................................25
2.1 The Mediant 2000 Chassis ......................................................................25
2.1.1 Mediant 2000 Diagram ............................................................................25
2.1.2 Chassis LED Indicators ...........................................................................26
2.2 The TP-1610 Board ..................................................................................26
2.2.1 Board Hot-Swap Support.........................................................................27
2.3 TP-1610 Board Front Panel View............................................................28
2.4 TP-1610 RTM Panel Diagrams ................................................................29
2.5 TP-1610 Board Panel LED Indicators.....................................................30
2.6 Optional CPU Board ................................................................................32
3Hardware Installation ........................................................................................33
3.1 Unpacking ................................................................................................33
3.1.1 Package Contents ...................................................................................34
3.2 Mounting the Mediant 2000.....................................................................34
3.2.1 Mounting the Mediant 2000 on a Desktop...............................................37
3.2.2 Mounting a Mediant 2000 in a 19-inch Rack ...........................................37
3.3 Cabling the Mediant 2000 .......................................................................39
3.3.1 Connecting the E1/T1 Trunk Interfaces ...................................................39
3.4 Board Replacement.................................................................................45
3.4.1 Performing Graceful Lock ........................................................................45
3.4.2 Removing Boards ....................................................................................45
3.4.3 Inserting Boards.......................................................................................46
3.4.4 Configuring and Unlocking the Mediant 2000..........................................47
4Software Package..............................................................................................49
4.1 Unzipping the Software Package ...........................................................49
4.1.1 Installing/Unzipping When Using a Windows™ Operating System .........49
4.1.2 Unzipping When Using a Linux™/Solaris™ Operating System...............50
4.2 Software Directory Contents & Structure..............................................50
5Getting Started ..................................................................................................53
5.1 Assigning the Mediant 2000 IP Address................................................53
5.1.1 Assigning an IP Address Using HTTP.....................................................53
5.1.2 Assigning an IP Address Using BootP.....................................................54

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5.2 Restoring Networking Parameters to their Initial State........................55
6Mediant 2000 Initialization & Configuration Files ...........................................57
6.1 Mediant 2000 Startup ..............................................................................57
6.2 Boot Firmware & Operational Firmware ................................................57
6.3 Using BootP/DHCP..................................................................................59
6.3.1 BootP/DHCP Server Parameters.............................................................59
6.3.2 Host Name Support .................................................................................62
6.3.3 Selective BootP .......................................................................................62
6.3.4 Vendor Specific Information.....................................................................62
6.3.5 Microsoft™ DHCP/BootP Server .............................................................63
6.4 Configuration Parameters and Files ......................................................64
6.4.1 Initialization (ini) File ................................................................................64
6.4.2 Auxiliary Files...........................................................................................70
6.4.3 Automatic Update Facility ........................................................................71
6.5 Backup Copies of ini and Auxiliary Files...............................................73
6.6 Upgrading Mediant 2000 Software .........................................................73
6.6.1 Software Upgrade Key.............................................................................74
7Standard Control Protocols .............................................................................75
7.1 MGCP Control Protocol ..........................................................................75
7.1.1 MGCP Overview ...................................................................................... 75
7.1.2 MGCP Operation .....................................................................................75
7.1.3 MGCP Call Agent Configuration ..............................................................76
7.1.4 Configuration and Update of the Endpoint's Notified Entity.....................76
7.1.5 MGCP KeepAlive Mechanism .................................................................77
7.1.6 MGCP Piggy-Back Feature .....................................................................77
7.1.7 SDP Support in MGCP ............................................................................77
7.1.8 MGCP Fax ...............................................................................................78
7.1.9 Fax Transport Type Setting with Local Connection Options....................81
7.1.10 Voice Band Data (VBD) for MGCP ..........................................................81
7.1.11 MGCP Profiling ........................................................................................85
7.1.12 TGCP Compatibility .................................................................................85
7.1.13 Electronic Surveillance (CALEA) .............................................................86
7.1.14 RTP Media Encryption – RFC 3711 Secure RTP....................................86
7.1.15 MGCP Coder Negotiation ........................................................................92
7.1.16 MGCP Endpoint Map.............................................................................106
7.1.17 Compression Coders ............................................................................. 107
7.1.18 STUN - Simple Traversal of User Datagram Protocol in MGCP............109
7.1.19 RTCP Extended Reports (RTCP-XR) VoIP Metrics Data......................110
7.1.20 Controlling Jitter Buffer Settings with MGCP .........................................114
7.2 MEGACO (Media Gateway Control) Protocol ......................................115
7.2.1 MEGACO Overview...............................................................................115
7.2.2 Operation...............................................................................................116
7.2.3 RTCP-XR support (H.248.30)................................................................ 129
7.2.4 SDP Support in MEGACO .....................................................................130
7.2.5 Mapping Payload Numbers to Coders...................................................142
7.2.6 Supported MEGACO Packages ............................................................144
7.2.7 MEGACO Profiling.................................................................................158

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7.2.8 MEGACO Termination Naming .............................................................159
7.2.9 Old Termination Naming Method...........................................................159
7.2.10 Backward Compatibility .........................................................................160
7.2.11 Defining Field Width in the Termination Name ......................................160
7.2.12 Termination Mapping to a PSTN Interface ............................................160
8Mediant 2000 Management.............................................................................165
8.1 Using SNMP ...........................................................................................165
8.1.1 SNMP Standards and Objects...............................................................165
8.1.2 Carrier-Grade Alarm System .................................................................167
8.1.3 Cold Start Trap ......................................................................................168
8.1.4 Performance Measurements .................................................................168
8.1.5 SNMP Interface Details .........................................................................174
8.1.6 Dual Module Interface............................................................................185
8.1.7 SNMP NAT Traversal ............................................................................186
8.1.8 Administrative State Control ..................................................................186
8.2 Embedded Web Server .........................................................................187
8.2.1 Embedded Web Server Protection & Security Mechanisms.................. 188
8.2.2 Limiting the Embedded Web Server to Read-Only Mode......................189
8.2.3 Correlating PC / Mediant 2000 IP Address & Subnet Mask ..................191
8.2.4 Accessing the Embedded Web Server ..................................................191
8.2.5 Using Internet Explorer to Access the Embedded Web Server .............192
8.2.6 Getting Acquainted with the Web Interface ...........................................193
8.2.7 Protocol Management............................................................................201
8.2.8 Advanced Configuration Screen ............................................................208
8.2.9 Status and Diagnostic Menu..................................................................252
8.2.10 Software Upgrade..................................................................................254
8.2.11 Maintenance ..........................................................................................266
8.2.12 Restoring and Backing Up the Device Configuration.............................268
9Diagnostics & Troubleshooting .....................................................................271
9.1 Syslog.....................................................................................................271
9.1.1 Operating the Syslog Server..................................................................272
9.2 The Embedded Web Server's 'Message Log' (Integral Syslog) .........274
9.3 Control Protocol Reports......................................................................274
9.3.1 TPNCP Error Report..............................................................................274
9.3.2 MGCP/MEGACO Error Conditions ........................................................ 274
9.3.3 SNMP Traps ..........................................................................................274
9.4 TP-1610 Self-Test...................................................................................274
9.5 Solutions to Possible Problems...........................................................275
9.5.1 Possible Common Problems .................................................................275
9.5.2 Possible Voice Problems .......................................................................277
9.5.3 User Error Messages.............................................................................278

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10 Technical Specifications - Mediant 2000.......................................................285
10.1 Mediant 2000 Selected Technical Specifications................................285
11 Appendix - Individual ini File Parameters .....................................................291
11.1 Individual ini File Parameters ...............................................................291
11.1.1 System Parameters ...............................................................................292
11.1.2 PSTN Parameters..................................................................................298
11.1.3 Infrastructure Parameters ...................................................................... 308
11.1.4 Media Processing Parameters...............................................................324
11.1.5 SS7 Parameters ....................................................................................337
11.1.6 Parameters Common to All Control Protocols .......................................341
11.1.7 MGCP-Specific Parameters...................................................................348
11.1.8 MEGACO-Specific Parameters .............................................................353
11.1.9 SNMP Parameters.................................................................................356
11.1.10 Web Interface Parameters.....................................................................359
11.1.11 SCTP Parameters..................................................................................365
11.1.12 NFS Parameters....................................................................................366
12 Appendix - Table Parameters.........................................................................369
12.1 ini File Table Parameters ......................................................................369
12.1.1 SS7 ini File Table Parameters ...............................................................369
12.1.2 NFS Servers Table Parameters.............................................................383
13 Appendix - Auxiliary Files ..............................................................................385
13.1.1 Format of the Call Progress Tones Section in the Auxiliary Source File385
13.1.2 Format of the User Defined Tones Section ...........................................387
13.1.3 Modifying the Call Progress Tones File.................................................390
13.1.4 Converting a Modified CPT ini File to a dat File with the Download
Conversion Utility .................................................................................391
13.2 Playing the Prerecorded Tones (PRT) Auxiliary File ..........................391
13.2.1 PRT File Configuration ..........................................................................392
13.2.2 Downloading the PRT dat File...............................................................392
13.3 Coder Table File.....................................................................................393
13.3.2 Converting a Modified CoderTable ini File to a dat File Using DConvert
Utility.....................................................................................................396
13.3.3 Default Coder Table (Tbl) ini file ............................................................396

Version 5.0 7 June 2006
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14 Appendix - RTP/RTCP Payload Types...........................................................399
14.1 Payload Types Defined in RFC 3551....................................................399
14.2 Payload Types Not Defined in RFC 3551.............................................399
14.3 Default Dynamic Payload Types Which are Not Voice Coders..........400
14.4 Default RTP/RTCP/T.38 Port Allocation...............................................401
15 Appendix - DTMF, Fax & Modem Transport Modes......................................403
15.1 DTMF/MF Relay Settings.......................................................................403
15.2 Fax/Modem Settings..............................................................................403
15.3 Configuring Fax Relay Mode ................................................................403
15.4 Configuring Fax/Modem ByPass Mode ...............................................404
15.5 Configuring Fax/Modem Bypass NSE mode .......................................404
15.6 Supporting V.34 Faxes..........................................................................405
15.6.1 Using Bypass Mechanism for V.34 Fax Transmission ..........................405
15.6.2 Using Events Only Mechanism for V.34 Fax Transmission...................405
15.6.3 Using Relay Mode for Various Fax Machines (T.30 and V.34)..............406
16 Appendix - CAS Protocol Table .....................................................................407
16.1 Constructing a CAS Protocol Table.....................................................407
16.2 Table Elements ......................................................................................407
16.2.1 INIT variables.........................................................................................407
16.2.2 Actions...................................................................................................407
16.2.3 Functions ...............................................................................................408
16.2.4 States.....................................................................................................408
16.3 Reserved Words ....................................................................................410
16.4 State’s Line Structure ...........................................................................410
16.5 Action/Event...........................................................................................410
16.6 Function .................................................................................................413
16.7 Parameters.............................................................................................413
16.8 Next State...............................................................................................415
16.9 Changing the Script File .......................................................................416
16.9.1 General..................................................................................................416
16.9.2 MFC R2 protocol....................................................................................416

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17 Appendix - CAS to Analog Mapping Protocol ..............................................419
17.1 ini File Configuration.............................................................................422
17.2 Pulse Dial Detection ..............................................................................422
17.3 ini File Configuration.............................................................................422
17.4 CAS Table Configuration ......................................................................422
18 Appendix - Security.........................................................................................425
18.1 IKE and IPSec ........................................................................................426
18.1.1 IKE.........................................................................................................426
18.1.2 IPSec .....................................................................................................427
18.1.3 Configuring IKE and IPSec....................................................................428
18.2 SSL/TLS..................................................................................................436
18.2.1 Web Server Configuration .....................................................................436
18.2.2 Using the Secure Web Server ...............................................................437
18.2.3 Secure Telnet ........................................................................................437
18.2.4 Server Certificate Replacement.............................................................437
18.2.5 Client Certificates...................................................................................439
18.2.6 Enhancing SSL/TLS Performance.........................................................440
18.3 RADIUS Support ....................................................................................440
18.3.1 Setting Up a RADIUS Server.................................................................440
18.3.2 Configuring RADIUS Support ................................................................442
18.4 Internal Firewall .....................................................................................444
18.5 Network Port Usage ..............................................................................447
18.6 Media Security .......................................................................................448
18.6.1 Packet Cable Security ...........................................................................448
18.6.2 Secure RTP ...........................................................................................449
18.7 Recommended Practices......................................................................449
18.8 Legal Notice ...........................................................................................450
19 Appendix - SS7 Configuration Guide ............................................................451
19.1 SS7 Network Elements..........................................................................451
19.1.1 SS7 M2UA - SG Side ............................................................................451
19.1.2 SS7 M2UA – Media Gateway Controller Side .......................................452
19.1.3 SS7 MTP3 Node....................................................................................452
19.1.4 SS7 MTP2 Tunneling.............................................................................453
19.1.5 Configuration Extensions:......................................................................453
19.1.6 Other dependencies in ini File: ..............................................................453
19.2 Examples of SS7 ini Files .....................................................................454
19.2.1 SS7 M2UA - SG Side ini File Example ..................................................454
19.2.2 SS7 M2UA - Media Gateway Controller Side ini File Example..............455
19.2.3 SS7 MTP3 Node ini File Example .........................................................459
19.2.4 SS7 MTP2 Tunneling ini File Example ..................................................463
19.3 SS7 Tunneling: Feature Description....................................................467
19.3.1 MTP2 Tunneling Technology.................................................................469
19.3.2 IUA /DUA Behind NAT Support .............................................................469
19.3.3 SS7 Characteristics ...............................................................................470

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19.3.4 DASS2 Support in DUA .........................................................................470
20 Appendix - Utilities..........................................................................................471
20.1 API Demonstration Utility .....................................................................471
20.2 TrunkPack Downloadable Conversion Utility .....................................471
20.2.1 Process Call Progress Tones file(s) ......................................................473
20.2.2 Process Voice Prompts file(s)................................................................474
20.2.3 Process CAS Tables.............................................................................. 477
20.2.4 Process Prerecorded Tones File(s).......................................................479
20.2.5 Process Encoded/Decoded ini File(s)....................................................481
20.2.6 Process Coder Description File(s).........................................................482
20.3 PSTN Trace Utilities ..............................................................................483
20.4 Enabling PSTN Trace via the Web .......................................................484
20.5 Collect and Read the PSTN Trace via Ethereal ...................................485
21 Appendix - MGCP Compliance.......................................................................487
21.1 MGCP Compliance Matrix.....................................................................487
22 Appendix - MEGACO Compliance .................................................................503
22.1 MEGACO Compliance Matrix................................................................503
23 Appendix - Getting Started with VLANs and Multiple IPs............................515
23.1.1 Integrating Using the Embedded Web Server .......................................515
23.1.2 Integrating Using the ini File ..................................................................517
23.2 Basic Setup............................................................................................518
23.3 Setup Example.......................................................................................518
23.4 Preparing the Mediant 2000 for VLANs and Multiple IPs (MI) ............519
23.5 Verifying the VLANS and Multiple IP Settings Using the Embedded
Web Server ............................................................................................521
23.6 OAM Parameters....................................................................................523
23.7 MI and VLAN Parameters......................................................................523
24 Appendix - SNMP Traps..................................................................................527
24.1 Alarm Traps............................................................................................527
24.1.1 Component: Board#<n> ........................................................................527
24.1.2 Component: Board#<n> ........................................................................530
24.1.3 Component: EthernetLink#0 ..................................................................532
24.1.4 Component: SS7#0 ...............................................................................533

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24.2 Log Traps (Notifications) ......................................................................539
24.3 Other Traps ............................................................................................540
24.4 Trap Varbinds ........................................................................................542
25 Appendix - Customizing the Web Interface ..................................................543
25.1 Company & Product Bar Components ................................................543
25.2 Replacing the Main Corporate Logo ....................................................544
25.2.1 Replacing the Main Corporate Logo with an Image File........................544
25.2.2 Replacing the Main Corporate Logo with a Text String .........................545
25.3 Replacing the Background Image File.................................................546
25.4 Customizing the Product Name ...........................................................547
25.4.1 Customizing the Web Browser Title Bar ................................................548
25.5 Modifying ini File Parameters via the AdminPage..............................548
26 Appendix - Regulatory Information ...............................................................551
27 List of Abbreviations.......................................................................................557
28 Index.................................................................................................................563

Version 5.0 11 June 2006
User's Manual Contents
List of Figures
Figure 1-1: 2000 Functional Block Diagram...........................................................................................23
Figure 1-2: Typical Mediant 2000 Wireline Application ..........................................................................24
Figure 2-1: 2000 Front View...................................................................................................................25
Figure 2-2: 1610 Board...........................................................................................................................27
Figure 2-3: 1610 RTM - with Telco Connectors .....................................................................................27
Figure 2-4: 1610 Board, Front Panel View.............................................................................................28
Figure 2-5: 1610 RTM Panel with 2 Telco Connectors ..........................................................................29
Figure 2-6: RTM Panel with 8 RJ-48c Trunk Connectors ......................................................................30
Figure 3-1: Plastic Bag Contents............................................................................................................34
Figure 3-2: Mediant 2000 Front Panel....................................................................................................35
Figure 3-3: 2000 System Rear Connections (RJ-48c Connectors & DC Power)...................................36
Figure 3-4: 2000 System Rear Connectors (50-Pin Telco Connectors & Dual AC power)....................37
Figure 3-5: 50-Pin Female Telco Board-Mounted Connector ................................................................40
Figure 3-6: RJ-48c Trunk Connectors ....................................................................................................40
Figure 3-7: RJ-45 Ethernet Connector and Pinout.................................................................................41
Figure 3-8: DC Power Connector - Screw Type.....................................................................................42
Figure 3-9: DC Power Connector - Crimp Type .....................................................................................43
Figure 3-10: Rear View with Connected Cables (16 Spans and Dual AC) ............................................43
Figure 3-11: Rear View with Connected Cables (8 Spans and DC) ......................................................44
Figure 6-1: Startup Process Diagram.....................................................................................................58
Figure 7-1: MEGACO-R2 Call Start Flow Diagram ............................................................................. 123
Figure 7-2: MEGACO-R2 Call Disconnect Flow Diagram................................................................... 124
Figure 7-3: MEGACO-911 Call Start Flow Diagram............................................................................ 126
Figure 7-4: MEGACO-911 Operator Ringback Flow Diagram ............................................................ 127
Figure 8-1: Enter Network Password Screen...................................................................................... 192
Figure 8-2: Web Interface Screen - Example...................................................................................... 193
Figure 8-3: Trunk and Channel Status Screen.................................................................................... 194
Figure 8-4: Web Search Results ......................................................................................................... 196
Figure 8-5: Web Search Link Display Results..................................................................................... 197
Figure 8-6: Trunk dropdown List ......................................................................................................... 197
Figure 8-7: Update Port Info Text Field............................................................................................... 198
Figure 8-8: Basic Information Screen.................................................................................................. 198
Figure 8-9: RTP/RTCP Information Screen......................................................................................... 199
Figure 8-10: Voice Information Screen................................................................................................ 199
Figure 8-11: Quick Setup Screen ........................................................................................................ 200
Figure 8-12: Protocol Management Screen ........................................................................................ 202
Figure 8-13: Basic Configuration Screen (MGCP) .............................................................................. 203
Figure 8-14: Basic Configuration Screen (MEGACO)......................................................................... 203
Figure 8-15: General Parameters Screen (MGCP)............................................................................. 205
Figure 8-16: General Parameters Screen (MEGACO)........................................................................ 206
Figure 8-17: Channel Configuration Screen (MGCP) ......................................................................... 207
Figure 8-18: Channel Configuration Screen (MEGACO) .................................................................... 207
Figure 8-19: Advanced Configuration Screen (MGCP)....................................................................... 208
Figure 8-20: Advanced Configuration Screen (MEGACO).................................................................. 208
Figure 8-21: Advanced Configuration Parameters Screen ................................................................. 209
Figure 8-22: Network Settings Drop-Down Menu ............................................................................... 209
Figure 8-23: Media Settings Drop-Down Menu................................................................................... 210
Figure 8-24: SS7 Settings Drop-Down Menu...................................................................................... 210
Figure 8-25: IP Settings Screen .......................................................................................................... 211
Figure 8-26: Application Settings Screen ............................................................................................ 212
Figure 8-27: NFS Settings Table Screen ............................................................................................ 213
Figure 8-28: Routing Table Screen ..................................................................................................... 214
Figure 8-29: VLAN Settings Screen .................................................................................................... 215
Figure 8-30: Voice Settings Screen..................................................................................................... 216
Figure 8-31: Fax/Modem/CID Settings Screen ................................................................................... 216
Figure 8-32: RTP Settings Screen (Network Settings)........................................................................ 217

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Figure 8-33: IPmedia Settings Screen ................................................................................................ 218
Figure 8-34: General Settings Screen................................................................................................. 219
Figure 8-35: Trunk Settings Screen .................................................................................................... 219
Figure 8-36: Q931 Layer Response Behavior Screen ........................................................................ 222
Figure 8-37: Outgoing Calls Behavior Screen..................................................................................... 222
Figure 8-38: Incoming Calls Behavior Screen..................................................................................... 223
Figure 8-39: General Call Control Behavior Screen............................................................................ 223
Figure 8-40: DPNSS Layer Response Behavior Screen..................................................................... 224
Figure 8-41: MTP2 Attributes Screen.................................................................................................. 225
Figure 8-42: SS7 Signaling Node Timers Screen ............................................................................... 226
Figure 8-43: SS7 Link Set Timers Screen........................................................................................... 227
Figure 8-44: SS7 Links Screen ........................................................................................................... 228
Figure 8-45: SS7 Signaling Nodes Screen.......................................................................................... 229
Figure 8-46: SS7 SN Link Sets Screen ............................................................................................... 230
Figure 8-47: SS7 SN Routes Screen .................................................................................................. 230
Figure 8-48: SS7 SigTran Group IDs Screen...................................................................................... 231
Figure 8-49: SS7 SigTran Interface IDs Screen.................................................................................. 232
Figure 8-50: SS7 MTP3 Redundancy SN Screen............................................................................... 233
Figure 8-51: TDM Bus Settings Screen............................................................................................... 233
Figure 8-52: Configuration File Screen ............................................................................................... 235
Figure 8-53: Regional Settings Screen - Sending CPT, CAS and/or Voice Prompt File to the Device236
Figure 8-54: Web User Accounts Screen - Security Administrator Level ........................................... 238
Figure 8-55: Enter Network Password Dialog ..................................................................................... 238
Figure 8-56: Web User Accounts Screen - For Users with Privileges Lower than Security Administrator239
Figure 8-57: Web & Telnet Access List Screen................................................................................... 240
Figure 8-58: Firewall Settings Screen ................................................................................................. 241
Figure 8-59: Certificate Sighing Request Screen................................................................................ 242
Figure 8-60: Certificate Signing Request ............................................................................................ 243
Figure 8-61: General Security Settings Screen................................................................................... 244
Figure 8-62: IPSec Table Screen (Existing Table Row)...................................................................... 245
Figure 8-63: IPSec Table Screen (Non -Existing Table Row)............................................................. 246
Figure 8-64: IKE Table Screen (Existing Table Row) ......................................................................... 247
Figure 8-65: IKE Table Screen (Non -Existing Table Row)................................................................. 248
Figure 8-66: Management Settings Screen......................................................................................... 249
Figure 8-67: SNMP Manager’s Table Screen ..................................................................................... 250
Figure 8-68: SNMP V3 Table Screen.................................................................................................. 251
Figure 8-69: Status and Diagnostic Menu Screen .............................................................................. 252
Figure 8-70: Message Log Screen ...................................................................................................... 253
Figure 8-71: Versions Screen.............................................................................................................. 254
Figure 8-72: Start Software Upgrade Screen...................................................................................... 255
Figure 8-73: Start Software Upgrade Screen...................................................................................... 256
Figure 8-74: Load CMP File Dialog Screen......................................................................................... 257
Figure 8-75: File Loading Dialog Screen............................................................................................. 258
Figure 8-76: File Loading Dialog Screen - CPT Type Displayed ........................................................ 259
Figure 8-77: File Loading Dialog Screen - Reset Button Stage .......................................................... 260
Figure 8-78: End of Process Dialog Screen........................................................................................ 260
Figure 8-79: Auxiliary Files Download Screen .................................................................................... 261
Figure 8-80: Software Upgrade Key Screen ....................................................................................... 264
Figure 8-81: Example of a Software Upgrade Key File Containing Multiple S/N Lines ...................... 264
Figure 8-82: Maintenance Actions Screen .......................................................................................... 266
Figure 9-1: Syslog Server Main Settings Screen ................................................................................ 271
Figure 9-2: Setting the Syslog Server IP Address and Port................................................................ 273
Figure 17-1: CAS to Analog Mapping Protocol ................................................................................... 419
Figure 18-1: IPSec Encryption using ESP Protocol ............................................................................ 426
Figure 18-2: IKE Table Screen............................................................................................................ 431
Figure 18-3: IPSec Table Screen ........................................................................................................ 435
Figure 19-1: SS7 M2UA - SG Side...................................................................................................... 451
Figure 19-2: SS7 M2UA - MGC Side .................................................................................................. 452

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Figure 19-3: SS7 MTP3 Node ............................................................................................................. 452
Figure 19-4: SS7 MTP2 Tunneling...................................................................................................... 453
Figure 19-5: M2UA Architecture.......................................................................................................... 468
Figure 19-6: M2TN Architecture .......................................................................................................... 468
Figure 19-7: Protocol Architecture for MTP2 Tunneling...................................................................... 469
Figure 20-1: TrunkPack Downloadable Conversion Utility R2.5.2 ...................................................... 472
Figure 20-2: Call Progress Tones Screen ........................................................................................... 473
Figure 20-3: Voice Prompts Screen .................................................................................................... 474
Figure 20-4: Select Files Window........................................................................................................ 475
Figure 20-5: Voice Prompts Window with wav Files ........................................................................... 476
Figure 20-6: File Data Window............................................................................................................ 476
Figure 20-7: Call Associated Signaling (CAS) Screen ........................................................................ 478
Figure 20-8: Prerecorded Tones File(s) Screen.................................................................................. 479
Figure 20-9: Prerecorded Tones File(s) Screen with wav Files .......................................................... 480
Figure 20-10: File Data Dialog Box ..................................................................................................... 480
Figure 20-11: Encoded ini File(s) Screen............................................................................................ 481
Figure 20-12: Coders Screen .............................................................................................................. 483
Figure 20-13: Trunk Traces Screen .................................................................................................... 485
Figure 20-14: UDP2File Utility Dialog Box .......................................................................................... 485
Figure 23-1: VLAN Settings Screen Example ..................................................................................... 516
Figure 23-2: IP Settings Screen Example ........................................................................................... 516
Figure 23-3: IP Routing table Screen Example................................................................................... 517
Figure 23-4: IP Settings Screen Example ........................................................................................... 522
Figure 23-5: Routing Table Screen ..................................................................................................... 522
Figure 23-6: VLAN Settings screen..................................................................................................... 523
Figure 25-1: Web Interface Title Bar ................................................................................................... 543
Figure 25-2: Customized Web Interface Title Bar ............................................................................... 543
Figure 25-3: Logo Image Download Screen........................................................................................ 544
Figure 25-4: Default Web Browser Title Bar........................................................................................ 548
Figure 25-5: ini Parameters Screen .................................................................................................... 549

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List of Tables
Table 2-1: Chassis Indicators.................................................................................................................26
Table 2-2: Board Status LED Indicators.................................................................................................31
Table 2-3: Trunk Status LED Indicators .................................................................................................31
Table 2-4: Ethernet LED Indicators ........................................................................................................31
Table 2-5: Auxiliary LED Indicators ........................................................................................................31
Table 3-1: Mediant 2000 Front Details...................................................................................................35
Table 3-2: Mediant 2000 Rear 8-Span Details.......................................................................................36
Table 3-3: Mediant 2000 Rear 16-Span Details.....................................................................................37
Table 3-4: Table 2-4: E1/T1 Connections on each 50-pin Telco Connector..........................................40
Table 3-5: Mediant 2000 Rear Panel Cabling (16 Trunks, Dual AC Power) Component Descriptions .44
Table 3-6: Mediant 2000 Rear Panel Cabling (8 Trunks, DC Power) Component Descriptions ...........44
Table 4-1: Software Package Contents..................................................................................................50
Table 5-1: TP-1610 Default Networking Parameters .............................................................................53
Table 6-1: Command Line Switch Descriptions .....................................................................................60
Table 6-2: Vendor Specific Information Field Tags ................................................................................62
Table 6-3: Example of Vendor Specific Information Field Structure ......................................................63
Table 6-4: Table Structure Example.......................................................................................................67
Table 7-1: MGCP Fax Package Gateway Mode ....................................................................................78
Table 7-2: Fax Transport Type...............................................................................................................81
Table 7-3: VBD Examples ......................................................................................................................83
Table 7-4: SRTP ABNF Parameter Description .....................................................................................87
Table 7-5: MGCP Mapping of Payload Numbers to Coders ..................................................................94
Table 7-6: Generic Media Package - G..................................................................................................96
Table 7-7: DTMF Package - D ...............................................................................................................96
Table 7-8: Line Package - L ...................................................................................................................97
Table 7-9: Handset Emulation Package - H...........................................................................................98
Table 7-10: Trunk Package - T...............................................................................................................99
Table 7-11: PacketCable (NCS) Line Package - L.................................................................................99
Table 7-12: Generic Media Package - A ............................................................................................. 100
Table 7-13: RTP Package - R ............................................................................................................. 101
Table 7-14: MF FGD Operator Services Package - MO ..................................................................... 103
Table 7-15: MF FGD Operator Services Package - MO ..................................................................... 103
Table 7-16: ISUP Trunk Package - IT ................................................................................................. 104
Table 7-17: Fax Package Definition - FXR.......................................................................................... 105
Table 7-18: V5 Package Definition...................................................................................................... 106
Table 7-19: Signal List Package Definition.......................................................................................... 106
Table 7-20: Compression Coders ....................................................................................................... 107
Table 7-21: RTCP XR Example Flow.................................................................................................. 110
Table 7-22: General Signal Combination Options............................................................................... 118
Table 7-23: Signal Combination Options for CAS Support ................................................................. 119
Table 7-24: Silence Suppression Operation........................................................................................ 129
Table 7-25: Table 32: MEGACO Mapping Payload Numbers to Coders............................................ 142
Table 7-26: Generic Media Package - G............................................................................................. 144
Table 7-27: Base Root Package - ROOT............................................................................................ 145
Table 7-28: Tone Generator Package - ToneGen .............................................................................. 145
Table 7-29: Tone Detection Package - ToneDet................................................................................. 145
Table 7-30: DTMF Generator Package - DG ...................................................................................... 146
Table 7-31: DTMF Detection Package - DD........................................................................................ 146
Table 7-32: Call Progress Tones Generator Package - CG................................................................ 147
Table 7-33: Call Progress Tones Detection Package - CD................................................................. 148
Table 7-34: Basic Continuity Package - CT ........................................................................................ 148
Table 7-35: Network Package - NT ..................................................................................................... 148
Table 7-36: RTP Package - RTP......................................................................................................... 149
Table 7-37: TDM Circuit Package - TDMC.......................................................................................... 149
Table 7-38: Generic Announcement Package .................................................................................... 150
Table 7-39: Expanded Call Progress Tones Generator Package - XCG............................................ 150

Version 5.0 15 June 2006
User's Manual Contents
Table 7-40: Basic Service Tones Generation Package - SRVTN....................................................... 150
Table 7-41: Expanded Services Tones Generation Package - XSRVTN ........................................... 151
Table 7-42: Basic CAS Signal/Events................................................................................................. 151
Table 7-43: Basic CAS Addressing Signal/Events.............................................................................. 151
Table 7-44: Robbed Bit Signaling Signal/Events ................................................................................ 152
Table 7-45: OSES Signal/Events ........................................................................................................ 152
Table 7-46: International CAS Signal/Events...................................................................................... 152
Table 7-47: CAS Blocking Signal/Events ............................................................................................ 153
Table 7-48: ICASC Signal/Events Table ............................................................................................. 153
Table 7-49: MF Generator Package - MFG......................................................................................... 153
Table 7-50: MF Generator Package - MFG......................................................................................... 154
Table 7-51: Inactivity Timer Package - IT............................................................................................ 155
Table 7-52: Basic Call Progress Tones Generator with Directionality Package - BCG ...................... 155
Table 7-53: Call Type Discrimination Package - CTYP ..................................................................... 156
Table 7-54: IP Fax Package - IPFAX ................................................................................................. 156
Table 7-55: Extended digit collection Package - XDD ....................................................................... 156
Table 7-56: Enhanced Digits Collection Package - EDD .................................................................... 156
Table 7-57: RTCP-XR-BASE Package - RTCPXR ............................................................................. 157
Table 7-58: RTCP-XR-BURST Package - XRBM ............................................................................... 157
Table 7-59: DiffServ Package - DS ..................................................................................................... 158
Table 7-60: Carrier Tones Generation Package - CARR.................................................................... 158
Table 7-61: MEGACO Endpoint Names.............................................................................................. 161
Table 8-1: SNMP Predefined Groups.................................................................................................. 175
Table 8-2: SNMPv3 Security Levels.................................................................................................... 177
Table 8-3: SNMPv3 Predefined Groups.............................................................................................. 177
Table 8-4: SNMPv3 Table Columns Description................................................................................. 178
Table 8-5: Available Access Levels and their Privileges..................................................................... 188
Table 8-6: Access Default Attributes ................................................................................................... 189
Table 8-7: Default IP Address and Subnet Mask ................................................................................ 191
Table 8-8: Web Server Main Screen ................................................................................................... 193
Table 8-9: Trunk and Channel Status Color Indicator Key.................................................................. 194
Table 8-10: Trunk Status Color Indicator Key ..................................................................................... 220
Table 9-1: Solutions to Possible Common Problems.......................................................................... 275
Table 9-2: Solutions to Possible Voice Problems ............................................................................... 277
Table 9-3: User Error Messages ......................................................................................................... 278
Table 10-1: Selected Technical Specifications ................................................................................... 285
Table 11-1: System Parameters.......................................................................................................... 292
Table 11-2: PSTN Parameters ............................................................................................................ 298
Table 11-3: Infrastructure Parameters ................................................................................................ 308
Table 11-4: Media Processing Parameters......................................................................................... 325
Table 11-5: SS7 Parameters............................................................................................................... 337
Table 11-6: Common Control Parameters .......................................................................................... 341
Table 11-7: MGCP Parameters........................................................................................................... 348
Table 11-8: MEGACO Parameters...................................................................................................... 353
Table 11-9: SNMP Parameters ........................................................................................................... 356
Table 11-10: Web Interface Parameters ............................................................................................. 359
Table 11-11: SCTP Parameters .......................................................................................................... 365
Table 11-12: NFS Parameters ............................................................................................................ 367
Table 12-1: Mtp2 Parameters Table.................................................................................................... 369
Table 12-2: SS7 Signaling Nodes Table Parameters ......................................................................... 370
Table 12-3: SS7 Signaling Node Timers Table Parameters ............................................................... 372
Table 12-4: SS7 Signaling LinkSet Timers Table Parameters............................................................ 374
Table 12-5: SS7 Signaling Link Table Parameters ............................................................................. 375
Table 12-6: SS7 Signaling LinkSets Table Parameters ...................................................................... 378
Table 12-7: SS7 Signaling LinkSet-Links Table Parameters .............................................................. 379
Table 12-8: SS7 RouteSet-Routes Table Parameters ........................................................................ 380
Table 12-9: SS7 RouteSets Table Parameters................................................................................... 380
Table 12-10: SigTran Interface Groups Table Parameters................................................................. 381

User's Manual 16 Document # LTRT-69805
Mediant 2000
Table 12-11: SigTran Interface IDs Table Parameters ....................................................................... 381
Table 12-12: SS7 MTP3 Redundancy SN Table Parameters............................................................ 382
Table 12-13: NFS Servers Table Parameters..................................................................................... 383
Table 13-1: Default Call Progress Tones ............................................................................................ 388
Table 14-1: Payload Types Defined in RFC 3551............................................................................... 399
Table 14-2: Payload Types Not Defined in RFC 3551 ........................................................................ 399
Table 14-3: Dynamic Payload Types Not Defined in RFC 3551......................................................... 400
Table 14-4: Default RTP/RTCP/T.38 Port Allocation .......................................................................... 401
Table 15-1: V.34 Fax to V.34 Fax - Bypass Mode .............................................................................. 405
Table 15-2: V.34 Fax to V.34 Fax - Events Only Mode....................................................................... 406
Table 15-3: V.34 Fax to V.34 Fax - Relay Mode................................................................................. 406
Table 16-1: ST_DIAL: Table Elements................................................................................................ 408
Table 16-2: CAS Parameters .............................................................................................................. 413
Table 17-1: Trunk/B-channel Mapping ................................................................................................ 420
Table 17-2: Mapping Table.................................................................................................................. 420
Table 18-1: IKE Table Configuration Parameters ............................................................................... 428
Table 18-2: Default IKE First Phase Proposals................................................................................... 429
Table 18-3: SPD Table Configuration Parameters.............................................................................. 432
Table 18-4: Default IKE Second Phase Proposals ............................................................................. 433
Table 18-5: RADIUS Authentication Settings...................................................................................... 443
Table 18-6: Internal Firewall Fields ..................................................................................................... 445
Table 18-7: Default TCP/UDP Network Port Numbers ....................................................................... 447
Table 21-1: MGCP Compliance Matrix................................................................................................ 487
Table 22-1: MEGACO Compliance Matrix .......................................................................................... 503
Table 23-1: Example of VLAN and Multiple IPs Configuration............................................................ 515
Table 23-2: Example of IP Routing Table Configuration..................................................................... 517
Table 23-3: Routing Table Rules......................................................................................................... 520
Table 23-4: Multiple IP Parameters..................................................................................................... 524
Table 23-5: VLAN Parameters ............................................................................................................ 524
Table 23-6: Shared VLAN and MI Parameters.................................................................................... 525
Table 24-1: acBoardFatalError Alarm Trap......................................................................................... 527
Table 24-2: acBoardConfigurationError Alarm Trap ........................................................................... 528
Table 24-3: acBoardTemperatureAlarm Alarm Trap........................................................................... 528
Table 24-4: acBoardEvResettingBoard Alarm Trap............................................................................ 529
Table 24-5: acFeatureKeyError Alarm Trap........................................................................................ 529
Table 24-6: acgwAdminStateChange Alarm Trap............................................................................... 530
Table 24-7: acOperationalStateChange Alarm Trap........................................................................... 531
Table 24-8: acActiveAlarmTableOverflow Alarm Trap ........................................................................ 532
Table 24-9: acBoardEthernetLinkAlarm Alarm Trap ........................................................................... 532
Table 24-10: acSS7LinkStateChangeAlarm Trap ............................................................................... 533
Table 24-11: acSS7LinkInhibitStateChangeAlarm Trap ..................................................................... 534
Table 24-12: acSS7LinkBlockStateChangeAlarm............................................................................... 535
Table 24-13: acSS7LinkCongestionStateChangeAlarmTrap.............................................................. 535
Table 24-14: acSS7LinkSetStateChangeAlarm Trap.......................................................................... 536
Table 24-15: acSS7RouteSetStateChangeAlarm Trap....................................................................... 537
Table 24-16: acSS7SNSetStateChangeAlarmTrap ............................................................................ 538
Table 24-17: acSS7RedundancyAlarm............................................................................................... 539
Table 24-18: acKeepAlive Log Trap.................................................................................................... 539
Table 24-19: acPerformanceMonitoringThresholdCrossing Log Trap ................................................ 539
Table 24-20: acHTTPDownloadResult Log Trap ................................................................................ 540
Table 24-21: coldStart Trap................................................................................................................. 541
Table 24-22: authenticationFailure Trap ............................................................................................. 541
Table 24-23: acBoardEvBoardStarted Trap........................................................................................ 541
Table 24-24: AcDChannelStatus Trap ................................................................................................ 541
Table 25-1: Customizable Logo ini File Parameters for the Image File .............................................. 545
Table 25-2: Customizable Logo ini File Parameters for the String Text ............................................. 546
Table 25-3: Customizable Background ini File Parameters ................................................................ 547
Table 25-4: Customizable Product Name ini File Parameters ............................................................ 547

Version 5.0 17 June 2006
User's Manual Contents
Table 27-1: List of Abbreviations......................................................................................................... 557

Version 5.0 19 June 2006
User's Manual Introductory Notes
Introductory Notes
Tip: When viewing this manual on CD, Web site or on any other electronic
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Notice
This User’s Manual describes the installation and use of the Mediant 2000.
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 the accuracy of printed material after the Date Published nor can it accept
responsibility for errors or omissions. Updates to this document and other documents can be
viewed by registered Technical Support customers at www.audiocodes.com under Support /
Product Documentation.
© 2006 AudioCodes Ltd. All rights reserved.
This document is subject to change without notice.
Date Published: Jun-05-2006 Date Printed: Jun-06-2006
Trademarks
AC logo, Ardito, AudioCoded, AudioCodes, AudioCodes logo, IPmedia, Mediant,
MediaPack, MP-MLQ, NetCoder, Stretto, TrunkPack, VoicePacketizer and VoIPerfect,
are trademarks or registered trademarks of AudioCodes Limited.
All other products or trademarks are property of their respective owners.
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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.
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Customer technical support and service are provided by AudioCodes' Distributors,
Partners, and Resellers from whom the product was purchased. For Customer support
for products purchased directly from AudioCodes, contact suppo[email protected]

User's Manual 20 Document # LTRT-69805
Mediant 2000
Abbreviations and Terminology
Each abbreviation, unless widely used, is spelled out in full when first used. Only
industry-standard terms are used throughout this manual. Hexadecimal notation is
indicated by 0x preceding the number.
Related Documentation
The documentation package contains the following four publications available on the
AudioCodes Web site:
Mediant 2000 User's Manual (this manual) - contains the boards' physical
description, installation instructions, standard control protocols and management
protocols description and general features of the board which are not control
protocol specific (for example various networking issues).
VoPLib API Reference Manual, Document # LTRT-840xx - intended for users,
who wish to control the board via the AudioCodes VoPLib API (over PCI or
TPNCP). This manual is a documentation browser in HTML or CHM formats
(created from the VoPLib documented source files). It provides detailed
descriptions of the VoPLib functions, events, structures, enumerators and error
codes. The ‘Reference Library’ is an essential reference for developers,
containing extended documentation, information and examples of the VoPLib.
VoPLib Application Developer’s Manual, Document # LTRT-844xx –
describes AudioCodes proprietary TrunkPack Control Protocol (TPNCP) based
on AudioCodes API. The manual details how TPNCP provides control of the
boards enabling Users to easily develop their applications without having to
implement complex, standard control protocols.
Mediant Series Release Notes, Document # LTRT-753xx - contains the
various new features and known constraints of the software version.