[SIPForum-discussion] hi

Robert Sparks rjsparks at nostrum.com
Mon Feb 5 15:47:39 UTC 2007

On Feb 3, 2007, at 12:38 AM, kiran chakkilam wrote:

> Hi every body,
> I have some doubts in Sip proxy server implementation
> 1.Regarding Timer C  in  Proxy server.- Where we have to Use Timer  
> C in Proxy server/UA side.Please explain about Timer C operation.
> 2.Please explain about Response Processing in Proxy server - when  
> the proxy forks the call and it gets 404 and 487 responses from the  
> UA's. then how the proxy chooses the best response.

Both of these are covered fairly explicitly in RFC3261. If the  
language there is not clear (I know some of it isn't), can you ask  
about the phrase where
you're not following what it says. That way we can help clarify the  


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