[Freeswitch-users] Registration issue with Polycom

Brian West brian at freeswitch.org
Sat Aug 23 08:47:40 PDT 2008

Its the lack of rport and if you put NDLB-force-rport it will work.   
I'm 100% sure of that.


On Aug 23, 2008, at 5:01 AM, Craig Guy wrote:

> Hi Brian,
> I suspect that FS may not like the contact header in the sip  
> REGISTER request.  The source port of the REGISTER is 5076, the  
> contact header also specifies port 5076, and there is no mention of  
> port 5060 anywhere in the REGISTER message itself.  Note that the  
> Polycom has appended ‘methods=’ to the contact header.  I’m not  
> familiar enough with the RFC to know if this is valid for the  
> contact header, but I won’t rule out that this additional stuff on  
> the contact header is causing FS to discard it and use port 5060  
> instead of the requested 5076.
> Neither of my Snom or Billion contact headers are formatted this  
> way.  I might see if I can find a Polycom firmware update and see if  
> that changes the header.
> Craig

Brian West
sip:brian at freeswitch.org

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