Cisco Cisco IOS Software Release 12.4(2)T
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NAT Optimized SIP Media Path with SDP
The NAT Optimized SIP Media Path with SDP feature allows the creation of a shorter path for Session
Initiation Protocol (SIP) media channels by distributing endpoint IP addressing information with Session
Descriptor Protocol (SDP) of SIP messages. This feature allows endpoints to communicate directly by
using standard routing and eliminates the need for them to traverse through upstream NAT routers.
Initiation Protocol (SIP) media channels by distributing endpoint IP addressing information with Session
Descriptor Protocol (SDP) of SIP messages. This feature allows endpoints to communicate directly by
using standard routing and eliminates the need for them to traverse through upstream NAT routers.
The Message Digest 5 (MD5) algorithm is supported.
History for the NAT Optimized SIP Media Path with SDP Feature
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Release
Modification
12.4(2)T
This feature was introduced.