[asterisk-users] Fast detection of unreachable SIP clients?

[Matt]

This should work.. please make sure you have qualify=yes on in your
sip.conf file for each of your sip entries.

On 11/6/06, Dmitry Ivanov <dimss at telecentrs.lv> wrote:
> Hello!
>
> I have this in my dialplan:
>
>         Dial(SIP/${ext}, 300);
>         switch(${DIALSTATUS}) {
>                 case BUSY:
>                         Busy();
>                         break;
>                 default:
>                         Hangup();
>         };
>
> This means that SIP phone will ring for max. five minutes if
> phone can be contacted. When SIP phone is turned off or there is
> no connectivity, calling party hears many many seconds of
> silence. I want Dial() to return CHANUNAVAIL if there was no SIP
> response from the phone within 1 or 2 seconds. In this case,
> calling party will hear "out of range" message similar to mobile
> networks. Is this possible?
>
> --
> Dmitry Ivanov
> Network engineer
> Telecentrs Riga, Latvia
> dimss at telecentrs.lv
> (+371) 7160235
>
> Weather at Riga Intl (EVRA/RIX): Monday 06 November 2006 10:50,29
> km/h SSE,-4°C,1004 hPa,Broken clouds at 396 meters;Overcast
> clouds at 640 meters,,  Snow;  Snow;Heavy  Snow
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