[reSIProcate] Handling glare conditions in DUM

Byron Campen bcampen at estacado.net
Fri Feb 23 10:43:01 CST 2007


	It would be extremely helpful if you could send us the logging  
output so we'd know which assertion we've hit.

Best regards,
Byron Campen

> I was wondering if someone might shed some light on how it would be  
> possible to handle a glare condition with DUM.
>
> I have a situation where an endpoint INVITE is answered and then I  
> receive an ACK. Upon receipt of the ACK I want to immediately REFER  
> the call (in-dialog REFER). However, the endpoint, right after  
> sending the ACK is sending me a re-invite that glares with the  
> Refer I send. My Refer gets a 491 from the endpoint and I resend  
> the Refer again. However, in other situations I get a re-invite  
> from the endpoint at the same time that I am sending a re-invite (I  
> send first). Since I am a B2B and need to shuffle these re-invites,  
> I run into problems with DUM being in a state (dum.mstate) that I  
> can't get at that is causing assertions. Basically, my endpoint (a  
> switch) always sends me a re-invite after it sends ACK.
>
> Is there a way to queue up either one of these transactions with  
> DUM to resolve the glare condition??
>
> TIA for your thoughts...
>
> Bill Kovar
>
> _______________________________________________
> resiprocate-devel mailing list
> resiprocate-devel at list.resiprocate.org
> https://list.resiprocate.org/mailman/listinfo/resiprocate-devel

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