[Kamailio-Devel] sip-outbound?

Klaus Darilion klaus.mailinglists at pernau.at
Thu Apr 9 15:07:25 CEST 2009

Simply Seven schrieb:
> Hi all,
> I am having a difficult time deciding on my SIP server, but I am 90%  
> leaning on kamailio. A future requirement for my product would be sip- 
> outbound UDP using STUN keepalives. I believe there is no sip-outbound  
> support in Kamailio, just TCP with \r\n keepalive. This is totally  
> fine, for now but for Satellite communications TCP will not work for  
> me and thus the need for UDP sip-outbound for UAC's behind NAT.

Kamailio 1.5 supports keep-alive with CRLF on all protocols. "outbound" 
(refering to the IETF outbound draft) keep alive for TCP with PING-PONG 
(CRLFCRLF-CRLF) is supported too. outbound UDP keep-alive with STUN on 
the SIP port is not supported in Kamailio 1.5.

But next Kamailio release will be based on the sip-router project core 
which outbound udp keepalive with STUN on SIP port too.


> Thanks in advance
> -s7
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