Inspired by commit
https://github.com/kamailio/kamailio/commit/ac31eb11cc4b194b2d7e9dddff63fd0…
in rtpproxy doc module
```
r - flags that IP address in SDP should be trusted. Without this flag, rtpproxy ignores
address in the SDP and uses source address of the SIP message as media address which is
passed to the RTP proxy.
```
But it is possible to send media to SDP IP without this flag. Here a little more details
https://github.com/sippy/rtpproxy/issues/34
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Reply to this email directly or view it on GitHub:
https://github.com/kamailio/kamailio/issues/405