Version 6.2 7 February 2011
SIP User's Manual Contents
8.4.5.4
Interworking DTMF Methods ................................................................. 498
8.4.5.5 Transcoding Modes ............................................................................... 499
8.4.5.6 Coder Restrictions Control .................................................................... 499
8.4.5.7 SRTP-RTP Transcoding ........................................................................ 501
8.4.5.8 Multiple RTP Media Streams per Call Session ..................................... 502
8.4.6 SIP Dialog Admission Control ...............................................................................502
8.4.7 Handling SIP 3xx Redirect Responses ..................................................................503
8.4.8 Interworking SIP Diversion and History-Info Headers ...........................................505
8.4.9 SIP Message Manipulation Syntax ........................................................................506
8.4.9.1 Actions ................................................................................................... 506
8.4.9.2 Supported Header Types ...................................................................... 506
8.4.9.3 Structure Definitions .............................................................................. 529
8.4.9.4 Enum Definitions ................................................................................... 531
8.4.9.5 Actions and Types ................................................................................. 537
8.4.9.6 Syntax ................................................................................................... 541
8.4.10 SBC Configuration Example ..................................................................................546
8.4.10.1 General SBC Setup ............................................................................... 546
8.4.10.2 Survivability and Alternative Routing ..................................................... 556
8.4.10.3 SBC-to-PSTN Routing ........................................................................... 560
8.4.10.4 Basic Coder Transcoding ...................................................................... 568
8.4.10.5 Advanced Coder Transcoding ............................................................... 570
8.4.10.6 RTP-SRTP Transcoding ........................................................................ 576
8.4.10.7 SIP URI Manipulation ............................................................................ 578
8.4.10.8 SIP Header Manipulation ...................................................................... 579
8.5 Stand-Alone Survivability (SAS) Application ........................................................ 582
8.5.1 SAS Operating Modes ...........................................................................................582
8.5.1.1 SAS Outbound Mode ............................................................................ 583
8.5.1.2 SAS Redundant Mode........................................................................... 584
8.5.2 SAS Routing ..........................................................................................................586
8.5.2.1 SAS Routing in Normal State ................................................................ 587
8.5.2.2 SAS Routing in Emergency State ......................................................... 589
8.5.3 SAS Configuration .................................................................................................590
8.5.3.1 General SAS Configuration ................................................................... 590
8.5.3.2 Configuring SAS Outbound Mode ......................................................... 593
8.5.3.3 Configuring SAS Redundant Mode ....................................................... 594
8.5.3.4 Configuring Gateway Application with SAS .......................................... 594
8.5.3.5 Advanced SAS Configuration ................................................................ 598
8.5.4 Viewing Registered SAS Users .............................................................................604
8.6 Routing Based on LDAP Active Directory Queries .............................................. 605
8.6.1 LDAP Overview .....................................................................................................605
8.6.2 AD-Based Tel-to-IP Routing in Microsoft OCS 2007 Environment .......................606
8.7 General ................................................................................................................ 608
8.7.1 Transcoding using Third-Party Call Control ...........................................................608
8.7.1.1 Using RFC 4117 .................................................................................... 608
8.7.2 Supported RADIUS Attributes ...............................................................................609
8.7.3 Call Detail Record ..................................................................................................611
8.7.3.1 CDR Fields ............................................................................................ 611
8.7.3.2 Release Reasons in CDR ..................................................................... 612
9 VoIP Networking Capabilities ......................................................................... 617
9.1 NAT (Network Address Translation) Support ....................................................... 617
9.1.1 First Incoming Packet Mechanism .........................................................................617
9.1.2 No-Op Packets ......................................................................................................618
9.2 Robust Receipt of Media Streams ....................................................................... 618
9.3 Multiple Routers Support ...................................................................................... 619
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