[Serusers] ACK Question
Klaus Darilion
klaus.mailinglists at pernau.at
Wed Aug 17 11:49:00 CEST 2005
Hi Darren!
Obviously the SIP Client wants the ACK within a certain amount of time.
If it does not receive the ACK within this time, it hangs up.
Thus, I suggest configuring the SIP Client to wait a little bit longer.
Which SIP client is it? A softphone or a gateway?
Usually gateways (eg Cisco) can be configured to increase
retransmissions and have a higher timeout.
regards
klaus
Darren Nay wrote:
> Hey all ..
>
> Is it a possibility for SER to generate an ACK?
>
> Ie. I have a PSTN gateway that sends a 200 OK, but in one particular case
> (a VoIP IAD on a satellite connection) it is taking too long for the 200 OK
> to get to the IAD and then ACK to come back. So the call is connecting, but
> then the PSTN times out and disconnects the call after about 3 seconds when
> it doesn't receive the ACK.
>
> I want to be able to generate the ACK from SER in this case. Instead of
> letting the call get setup, and then drop.
>
> I know it sounds clunky, but I think it will work fix a problem that we're
> having.
>
> TIA!
>
> Darren Nay
>
>
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