[SR-Users] kamailio 4.0.1 and nokia e72 udp

[Daniel-Constantin Mierla]

Hello,

On 5/12/13 9:48 PM, hiro wrote:
> I'm using rtpproxy with symmetric NAT, so that is no option. If the
> packet with offset IP is not received by rtpproxy the call is fine
> even with symmetric NAT. In case that wasn't clear earlier: I did
> narrow it down to this single test before posting to simplify and thus
> make it more clear to everyone.
> RTP itself is working fine with the E72, only rtpproxy gets confused
> by that single seemingly useless packet.
it looks like rtpproxy needs to be patched, so that learning mode is 
kept for few packets and it will use the last src port for sending back 
traffic.

Other option could be playing with the firewall rules, to drop always 
first packet coming on rtpproxy ports range.

Cheers,
Daniel

-- 
Daniel-Constantin Mierla - http://www.asipto.com
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Kamailio Advanced Training, San Francisco, USA - June 24-27, 2013
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