Cisco Unified Border Element Configuration Guide
SIP-to-SIP Extended Feature Functionality for Session Border Controller (SBC)
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SIP-to-SIP Extended Feature Functionality for Session Border Controllers

Table Of Contents

SIP-to-SIP Extended Feature Functionality for Session Border Controllers

Prerequisites


SIP-to-SIP Extended Feature Functionality for Session Border Controllers

The SIP-to-SIP Extended Feature Functionality for Session Border Controllers (SBCs) enables the SIP-to-SIP functionality to conform with RFC 3261 to interoperate with SIP User Agents (UAs). The SIP-to-SIP Extended Feature Functionality includes:

Call Admission Control (based on CPU, memory, and total calls)

Delayed Media Call

ENUM support

Configuring SIP Error Message Pass Through

Interoperability with Cisco Unified Communications Manager 5.0 and BroadSoft

Lawful Intercept

Media Inactivity

Modem passthrough

TCP and UDP interworking

Tcl scripts with SIP NOTIFY VoiceXML with SIP-to-SIP

Transport Layer Security (TLS)

Prerequisites

Cisco Unified Border Element

Cisco IOS Release 12.4(6)T or a later release must be installed and running on your Cisco Unified Border Element.

Cisco Unified Border Element (Enterprise)

Cisco IOS XE Release 3.1S or a later release must be installed and running on your Cisco ASR 1000 Series Router.