On 24 November 2015 at 12:20, Ethy H. Brito <ethy.br...@inexo.com.br> wrote:
> > Hi All > > After a Dial() I get: > > WARNING[7964][C-000075a8]: app_dial.c:2437 dial_exec_full: Unable to create > channel of type 'SIP' (cause 20 - Subscriber absent) > > if the subscriber is not registered. > > Is there a way from dialplan to know, *before* Dial(), if a destination > Subscriber is > a) not registered or > b) busy ? > > I need to redirect a call to some other Subscriber if (s)he is not there > like this: Dial(SIP/1&SIP/2&SIP/3). > So if "2" is not registered (or is busy) then Dial(SIP/1&SIP/5&SIP/3). > > Perhaps CHANISAVAIL will do what you need: http://www.voip-info.org/wiki/view/Asterisk+cmd+ChanIsAvail Hope this helps. -Barry Flanagan
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