Hi list,
Just a small query!
During SIP signaling, when SDP offer/ answer completes, calling SIP device
starts sending RTP to the IP:Port recieved in SDP answer from called party.
Calling SIP device opens its UDP port (for RTP) sent in the SDP offer.
Now, should calling SIP device listens for RTP packets on its UDP port
(which its advertise in SDP offer) from any IP Address, OR
Should calling SIP device listens for RTP packets on its UDP port only from
IP Address recieved in SDP answer from called party?
Does this makes sense to restrict SIP device to listen for RTP packets on
its UDP port only from IP Address recieved in SDP answer from called party
(not assumed any NAT scenerio :))
Actually what happens in absence of this restriction, my SIP client start
mixing the RTP packets recieved from any IP address!
Any suggestion??
Best Regards,
Vivek Batra
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