In the proxy you are rewriting the Contact -> that causes the problem.
klaus Am 05.02.2010 10:36, schrieb Jon Farmer:
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
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