Cisco IOS Software Releases 12.4 T

Table Of Contents

SIP-to-SIP Extended Feature Functionality for Session Border Controller (SBC)

SIP-to-SIP Extended Feature Functionality for Session Border Controller (SBC)

---

The SIP-to-SIP extended feature functionality for session border controller (SBC) enables the SIP-to-SIP functionality to conform with RFC 3261 to interoperate with SIP UAs.

New SIP-to-SIP features available include:

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

•Delayed Media Call

•Media Inactivity

•Modem passthrough

•TCP and UDP interworking

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

•Transport Layer Security (TLS)

•ENUM support

•Lawful Intercept

•Interoperability with Cisco Unified CallManager 5.0 and BroadSoft

Configuration Information

Configuration information is included in the " Configuring Cisco Unified Border Element with Gatekeeper" chapter in the Cisco Unified Border Element with Gatekeeper Configuration Guide, Release 12.4T, at the following URL:

•http://www.cisco.com/en/US/docs/ios/voice/cubegk/configuration/guide/ve-gk-config_ps6441_TSD_Products_Configuration_Guide_Chapter.html

Command Reference Information

Command reference information is included in the Cisco IOS Voice Command Reference, Release 12.4T, at the following URL:

•http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cr/hvr_r/index.htm

New or Modified Commands

The following commands are new or modified for this feature:

•none

List of All Release 12.4T Commands

An alphabetical list of all Cisco IOS Release 12.4T commands is in the Cisco IOS Master Command List, Release 12.4T, at the following URL:

•http://www.cisco.com/en/US/docs/ios/mcl/124tmcl/124t_book.html

List of All New, Modified, Removed, and Replaced Release 12.4T Commands

Alphabetized lists of all new, modified, removed, and replaced commands for each Cisco IOS Release 12.4T release are in the Cisco IOS New, Modified, Removed, and Replaced Commands, Release 12.4T, document at the following URL:

•http://www.cisco.com/en/US/products/ps6441/products_product_index09186a00805db026.html