[Serusers] cancal

[Andreas Granig]

Sebastian Kühner wrote:
> This is working very good... if the user doesn't make a hangup.
> 
> If caller hangs up, the CANCEL hits SER and the call is cleanly terminated.
> SER however continues to failure_route after timeout of the initial
> INVITE... ser sends out a new INVITE message to another PSTN-Server... and
> the phone rings (with nobody in the line)

I think it's just a config error, and there shouldn't be the need for 
modifying the source.

I use

	if(method == "INVITE" && t_check_status("408|500|503"))
	{
		...
		next_gw();
		...
	}

in my failure route and don't have any problems with cancelled calls...

hth,
Andy