[Kamailio-Users] Maximum retries exceed on transmission

Jon Farmer viperdudeuk at gmail.com
Fri Feb 5 10:36:42 CET 2010


Hi

I am getting this dreaded error on a asterisk box when call from one
UA to another using Asterisk as a media relay and openser as a SBC and
proxy. If I make a call from a UA to the PSTN through Asterisk all is
fine. This only happens when calling from one UA to another on the
same LAN.

I have posted an example sip trace here http://pastebin.com/m2262b0ef

My openser.cfg is here http://pastebin.com/d5e84aaf7

I realise this is a issue with Asterisk but I have not been able to
find a fix. Therefore I figure there might be something I can do on
openser. The problem seems to be with a ACK not being returned but my
SIP knowledge is not good enough to know how to fix it. Any help is
greatly appreciated.

Regards

Jon

-- 
Jon Farmer
Tel: 07795 118140
Email: viperdudeuk at gmail.com
Twitter: @viperdudeuk



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