AudioCodes Mediant 2000

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User's Manual 362 Document #: LTRT-68822

Mediant 2000

The flowchart below displays the routing logic for SAS in normal state for INVITE

messages received from the external proxy:

Figure 27-6: Flowchart of INVITE from Primary Proxy in SAS Normal State

Main Page

Default Chapter3
- Table of Contents3
- Abbreviations and Terminology15
- Customer Support15
- Weee Eu Directive15
- Related Documentation16
1 Overview19
- SIP Overview20
Getting Started with Initial Connectivity25
2 Assigning the OAMP LAN IP Address27
- Web Interface27
- Bootp/Tftp Server29
- Cli30
Management Tools31
3 Introduction33
4 Web-Based Management35
- Getting Acquainted with the Web Interface35
- Viewing the Home Page57
  - Assigning a Port Name59
  - Switching between Modules59
- Configuring Web User Accounts60
  - Basic User Accounts Configuration61
  - Advanced User Accounts Configuration63
- Displaying Login Information Upon Login66
- Configuring Web Security Settings67
- Web Login Authentication Using Smart Cards68
- Configuring Web and Telnet Access List68
- Mediant69
- Configuring RADIUS Settings70
5 CLI-Based Management71
- Enabling CLI Using Telnet71
- Enabling CLI Using SSH and RSA Public Key71
- Establishing a CLI Session73
- CLI Commands74
6 SNMP-Based Management81
- Configuring SNMP Community Strings81
- Configuring SNMP Trap Destinations82
- Configuring SNMP Trusted Managers83
- Configuring SNMP V3 Users84
7 EMS-Based Management87
8 INI File-Based Management89
- INI File Format89
- Loading an Ini File91
- Modifying an Ini File92
- Secured Encoded Ini File92
General System Settings93
9 Configuring Certificates95
- Replacing the Device's Certificate95
- Loading a Private Key96
- Mutual TLS Authentication98
- Configuring Certificate Revocation Checking (OCSP)98
- Self-Signed Certificates100
- Loading Certificate Chain for Trusted Root100
10 Date and Time101
- Configuring Date and Time Manually101
- Automatic Date and Time through SNTP Server101
General Voip Configuration103
11 Network105
- Ethernet Interface Configuration105
- Ethernet Interface Redundancy105
- Configuring IP Network Interfaces106
- Configuring the IP Routing Table115
- Configuring Quality of Service118
- Disabling ICMP Redirect Messages120
- Dns120
  - Configuring the Internal DNS Table120
  - Configuring the Internal SRV Table122
- Configuring NFS Settings123
- Network Address Translation Support125
  - Device Located Behind NAT125
  - Remote UA Behind NAT129
    - First Incoming Packet Mechanism129
    - No-Op Packets130
- Robust Receipt of Media Streams130
- Multiple Routers Support131
- IP Multicasting131
12 Security133
- Configuring Firewall Settings133
- Configuring General Security Settings137
- Ipsec and Internet Key Exchange137
- Intrusion Detection System144
13 Media153
- Configuring Voice Settings153
- Fax and Modem Capabilities155
- Configuring RTP/RTCP Settings165
- Configuring IP Media Settings171
  - Answer Machine Detector (AMD)171
  - Automatic Gain Control (AGC)175
- Configuring DSP Templates176
- Configuring Media Realms177
  - Configuring Bandwidth Management Per Media Realm179
- Configuring Media Security181
14 Services183
- Routing Based on LDAP Active Directory Queries183
- Least Cost Routing192
  - Overview192
  - Configuring LCR194
15 Enabling Applications199
16 Control Network201
- Configuring SRD Table201
- Configuring SIP Interface Table202
- Configuring IP Groups204
- Configuring Proxy Sets Table209
17 SIP Definitions215
- Configuring SIP Parameters215
- Configuring Account Table215
- Configuring Proxy and Registration Parameters218
  - SIP Message Authentication Example219
- Configuring SIP Message Manipulation221
- Configuring SIP Message Policy Rules225
18 Coders and Profiles229
- Configuring Coders229
- Configuring Coder Groups232
- Configuring Tel Profile233
- Configuring IP Profiles235
Gateway and IP-To-IP Application241
19 Introduction243
20 IP-To-IP Routing Application245
- Theory of Operation246
- IP-To-IP Routing Configuration Example249
21 Digital PSTN261
- Configuring Trunk Settings261
- TDM and Timing263
  - Configuring TDM Bus Settings263
  - Clock Settings264
    - Recovering Clock from PSTN Line Interface264
    - Configuring Internal Clock as Clock Source265
- Configuring CAS State Machines265
- Configuring Digital Gateway Parameters267
- Tunneling Applications268
  - TDM Tunneling268
    - DSP Pattern Detector271
  - QSIG Tunneling271
- ISDN Non-Facility Associated Signaling (NFAS)272
- ISDN Overlap Dialing275
- Redirect Number and Calling Name (Display)277
22 Trunk Group279
- Configuring Trunk Group Table279
- Configuring Trunk Group Settings281
23 Manipulation287
- Configuring General Settings287
- Configuring Source/Destination Number Manipulation Rules287
- Manipulating Number Prefix293
- SIP Calling Name Manipulations294
- Configuring Redirect Number IP to Tel296
- Manipulating Redirected and Diverted Numbers for Call Diversion300
- Mapping NPI/TON to SIP Phone-Context301
- Configuring Release Cause Mapping302
- Numbering Plans and Type of Number307
24 Routing309
- Configuring General Routing Parameters309
- Configuring Outbound IP Routing Table309
- Configuring Inbound IP Routing Table317
- IP Destinations Connectivity Feature320
- Alternative Routing for Tel-To-IP Calls322
- Alternative Routing for IP-To-Tel Calls325
  - Alternative Routing to Trunk Upon Q.931 Call Release Cause Code325
  - Alternative Routing to an IP Destination Upon a Busy Trunk326
25 Configuring DTMF and Dialing329
- Dialing Plan Features330
  - Digit Mapping330
  - External Dial Plan File332
26 Configuring Supplementary Services333
- Call Hold and Retrieve334
- Call Transfer334
- Call Forward336
- Message Waiting Indication336
- Emergency E911 Phone Number Services338
  - Pre-Empting Existing Calls for E911 IP-To-Tel Calls338
  - Enhanced 9-1-1 Support for Lync Server 2010338
- Multilevel Precedence and Preemption349
  - MLPP Preemption Events in SIP Reason Header352
  - Precedence Ring Tone353
- Advice of Charge Services for Euro ISDN353
- Configuring Voice Mail354
Stand-Alone Survivability Application355
27 Overview357
- SAS Operating Modes357
  - SAS Outbound Mode358
    - Normal State358
    - Emergency State358
  - SAS Redundant Mode359
- SAS Routing361
  - SAS Routing in Normal State361
  - SAS Routing in Emergency State363
28 SAS Configuration365
- General SAS Configuration365
  - Enabling the SAS Application365
  - Configuring Common SAS Parameters366
- Configuring SAS Outbound Mode368
- Configuring SAS Redundant Mode369
- Configuring Gateway Application with SAS369
  - Gateway with SAS Outbound Mode370
  - Gateway with SAS Redundant Mode371
- Advanced SAS Configuration372
- Viewing Registered SAS Users384
29 SAS Cascading385
IP Media Capabilities387
30 Transcoding Using Third-Party Call Control389
- Using RFC 4117389
- Mediant390
Maintenance391
31 Basic Maintenance393
- Resetting the Device393
- Remotely Resetting Device Using SIP NOTIFY394
- Locking and Unlocking the Device395
- Saving Configuration396
32 Restarting a B-Channel397
33 Software Upgrade399
- Loading Auxiliary Files399
- Software License Key415
  - Obtaining the Software License Key File415
  - Installing the Software License Key416
    - Installing Software License Key Using Web Interface417
    - Installing Software License Key Using Bootp/Tftp418
- Software Upgrade Wizard419
- Backing up and Loading Configuration File422
34 Automatic Update423
- Bootp Request and DHCP Discovery Upon Device Initialization423
- Obtaining IP Address Automatically Using DHCP425
- Configuring Automatic Update425
- Automatic Configuration Methods427
- Loading Files Securely (Disabling TFTP)431
- Remotely Triggering Auto Update Using SIP NOTIFY432
35 Restoring Factory Defaults433
- Restoring Defaults Using CLI433
- Restoring Defaults Using an Ini File434
Status, Performance Monitoring and Reporting435
36 System Status437
- Viewing Device Information437
- Viewing Ethernet Port Information438
37 Carrier-Grade Alarms439
- Viewing Active Alarms439
- Viewing Alarm History439
38 Performance Monitoring441
- Viewing MOS Per Media Realm441
- Viewing Trunk Utilization442
39 Voip Status445
- Viewing Trunks & Channels Status445
- Viewing NFAS Groups and D-Channel Status447
- Viewing Active IP Interfaces448
- Viewing Performance Statistics449
- Viewing Call Counters449
- Viewing Registered Users451
- Viewing Registration Status452
- Viewing Call Routing Status453
- Viewing IP Connectivity454
40 Reporting Information to External Party457
- RTP Control Protocol Extended Reports (RTCP XR)457
- Generating Call Detail Records460
  - Configuring CDR Reporting460
  - CDR Field Description461
    - CDR Fields for Gateway/Ip-To-IP Application461
    - Release Reasons in CDR464
- Configuring RADIUS Accounting467
- Event Notification Using X-Detect Header470
- Querying Device Channel Resources Using SIP OPTIONS472
Diagnostics473
41 Syslog and Debug Recordings475
- Syslog Message Format475
- Configuring Syslog Settings479
- Configuring Debug Recording480
- Filtering Syslog Messages and Debug Recordings481
  - Filtering IP Network Traces483
- Viewing Syslog Messages484
- Collecting Debug Recording Messages485
- Mediant486
42 Self-Testing487
43 Testing SIP Signaling Calls489
- Configuring Test Call Endpoints489
  - Starting, Stopping and Restarting Test Calls492
  - Viewing Test Call Statistics493
- Configuring DTMF Tones for Test Calls494
- Configuring Basic Test Call495
- Test Call Configuration Examples496
Appendix499
44 Dialing Plan Notation for Routing and Manipulation501
45 Configuration Parameters Reference503
- Networking Parameters503
- Management Parameters513
- Debugging and Diagnostics Parameters520
- Security Parameters528
- RADIUS Parameters539
- SIP Media Realm Parameters541
- Control Network Parameters542
  - IP Group, Proxy, Registration and Authentication Parameters542
  - Network Application Parameters552
- General SIP Parameters553
- Coders and Profile Parameters580
- Channel Parameters583
- Gateway and IP-To-IP Parameters593
- Least Cost Routing Parameters679
- LDAP Parameters680
- Standalone Survivability Parameters682
- IP Media Parameters687
- Auxiliary and Configuration File Name Parameters692
- Automatic Update Parameters693
46 DSP Templates695
47 Selected Technical Specifications697

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