Cisco IOS Software Releases 12.2 T

Table Of Contents

SIP: Connection-Oriented Media Enhancements for SIP

SIP: Connection-Oriented Media Enhancements for SIP

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The information retained in this document was retained only as a basic reference and to prevent breaking preexisting bookmarks. The detailed information about this feature has been moved and is maintained at the following release-independent location (please update bookmarks as appropriate): http://www.cisco.com/en/US/docs/ios/voice/sip/configuration/guide/sip_cg-com_fork_mlpp.html.

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The Connection-Oriented Media (Comedia) Enhancements for SIP feature allows the Cisco gateway to check the media source of incoming Real-time Transport Protocol (RTP) packets and allows the endpoint to advertise its presence inside or outside of Network Address Translation (NAT). Using this feature enables symmetric NAT traversal by supporting the capability to modify and update an existing RTP session remote address and port.

Feature Specifications for Connection-Oriented Media (Comedia) Enhancements for SIP

Feature History
Release	Modification
12.2(13)T	This feature was introduced.
Supported Platforms
Cisco 2600 series, Cisco 3600 series, Cisco 7200 series, Cisco AS5300, Cisco AS5350, Cisco AS5400, Cisco AS5850, and Cisco CVA 120 series platforms.

Finding Support Information for Platforms and Cisco IOS Software Images

Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image support. Access Cisco Feature Navigator at http://www.cisco.com/go/fn. You must have an account on Cisco.com. If you do not have an account or have forgotten your username or password, click Cancel at the login dialog box and follow the instructions that appear.