[SR-Users] rtpproxy and IP6 in c= line

Andreas Granig agranig at sipwise.com
Mon Dec 19 16:57:12 CET 2011


Hi,

Is there a flag in the rtpproxy module to force a change of the IP
protocol field?

When a call comes from an IPv4 endpoint and you do the bridging to IPv6,
then the c= and o= lines contain the IPv6 address, but the address
family is still IP4 (e.g. "c=IN IP4 10.10.8.22" becomes "c=IN IP4 fe80::1").

In case of bridging from IPv6 to IPv4, the field is correctly set to IP4
though (e.g. "c=IN IP6 fe80::1" becomes "c=IN IP4 10.10.8.22").

Is there something special to be taken into consideration? I couldn't
find any hints in the rtpproxy module that it tries or would try to set
that correctly (kam-3.1.5).

Andreas

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