[asterisk-users] Strange behaviour with Dial cmd

[C F]

Asterisk supports this directly by issuing the hangup command before
the answer command.  However, when using an analog interface like FXO
the line has no way of knowing you just hung up and will continue to
ring, which asterisk will see as a new call. in my experience even
when using a PRI if i dont give the pri cause the provider re
initiates the call.

On 2/18/07, Tim Panton <tim at mexuar.com> wrote:
>
> On 15 Feb 2007, at 09:55, Yuan LIU wrote:
>
> >> From: "Il Neofita" <asteriskmail at gmail.com>
> >> Date: Thu, 15 Feb 2007 03:37:14 -0500
> >>
> >> But I tought that hangup was suppose to close the call, however,
> >> is not the case and a really did not catch why.
> >
> > Now I see where the confusion comes from.  Asterisk doesn't really
> > speak English - or Chinese for that matter:-)  In telephony, there
> > is no way for the callee to tell the caller to stop ringing -
> > unless you "answer" it first.  Once you answer, you can do a number
> > of things, the rudest being to immediately hang up. (I saw live
> > people doing this intentionally.)  Your only other option really is
> > to ignore.
>
> That isn't exactly true - ISDN and IAX (SIP?) support the concept of
> rejecting a call without answering it.
> The asterisk dial plan only supports this indirectly. If there is no
> extension that maps to the called number
> in the relevant context then asterisk will reject the call without
> answering. I don't think this helps the OP's
> situation, but for the sake of the archives I think its worth
> clarifying....
>
> Tim Panton
>
> www.mexuar.net
> www.westhawk.co.uk/
>
>
>
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