Hi,

David wrote:
> I have setup two Kamailio servers, my INVITEs will go through server A,
> which forwards to server B which forwards it back to server A.
> 
> This is intential, the trouble is when the packet comes back through
> server B, nothing has changed so TM sees it as a retransmission.
> 
> The difference between the first time through and the second time is the
> port 5061 instead of 5060.

If you forward the INVITE from B to A SIP-wise (e.g., by calling
forward()) a new Via header should be added which prevents the spiraled
INVITE message from being considered a retransmission on A.

Do you perform forwarding on a lower level, like IP?


Cheers,

--Timo

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