Cisco Cisco IOS Software Release 12.2(8)T

This document was originally produced for Cisco IOS Release 12.2(11)T. This feature has been updated 
in subsequent releases, and more recent documentation is available. 

If you are using Cisco IOS Release 12.2(11)T or higher, refer to the following section in the 
Configuring Additional SIP Features chapter of the 

, 

Cisco IOS Voice Configuration Library, Release 12.3: 

This document describes the Session Initiation Protocol (SIP) Media Inactivity Timer feature. It includes 
the following sections:

12.2(2)XB

This feature was introduced on the Cisco 2600 series, Cisco 3600 series, 
Cisco 7200 series, Cisco AS5300, Cisco AS5350, Cisco AS5400, and 
Cisco AS5850 platforms.

12.2(8)T

This feature was integrated into Cisco IOS Release 12.2(8)T. The 
Cisco AS5300, Cisco AS5350, Cisco AS5400, and Cisco AS5850 
platforms were not supported in this release.

12.2(11)T

Support was added for the Cisco AS5300, Cisco AS5350, Cisco AS5400, 
and Cisco AS5850 platforms.