Cisco Cisco IOS Software Release 12.4(11)T
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Symmetrical RTP Support for MGCP-Based Calls
First Published: November 17, 2006
Last Updated: November 17, 2006
Last Updated: November 17, 2006
The Symmetrical RTP Support for MGCP-Based Calls feature allows calls to flow through Network
Address Translation (NAT) networks unaware of voice signaling. Determination of the IP address to send
Media Gateway Control Protocol (MGCP) voice media is made from incoming Real-time Transport
Protocol (RTP) media instead of the information provided in the Session Description Protocol (SDP).
Address Translation (NAT) networks unaware of voice signaling. Determination of the IP address to send
Media Gateway Control Protocol (MGCP) voice media is made from incoming Real-time Transport
Protocol (RTP) media instead of the information provided in the Session Description Protocol (SDP).
Finding Feature Information in This Module
Your Cisco IOS software release may not support all of the features documented in this module. To reach
links to specific feature documentation in this module and to see a list of the releases in which each feature is
supported, use the
links to specific feature documentation in this module and to see a list of the releases in which each feature is
supported, use the
.
Finding Support Information for Platforms and Cisco IOS and Catalyst OS Software Images
Use Cisco Feature Navigator to find information about platform support and Cisco IOS and Catalyst OS
software image support. To access Cisco Feature Navigator, go to
software image support. To access Cisco Feature Navigator, go to
. An
account on Cisco.com is not required.
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