[Asterisk-Users] Ringdown Circuit Configuration

[Mark Spencer]

We could implement a ringdown on MGCP or IAX, but SIP would not support
such a system.

Mark

On 18 Mar 2003, Stephen Webb wrote:

> Does anyone know if this can be done by any VoIP Technology (SIP, IAX,
> IAX2 or MGCP) I don't know the protocols!
>
>
> On Tue, 2003-03-18 at 09:56, Steven Critchfield wrote:
> > On Tue, 2003-03-18 at 09:04, Don Pobanz wrote:
> > > We have need of a ringdown circuit in an elevator. If someone picks up
> > > the phone, it should dial another extension without any keys being
> > > pressed. (There are no keys on the phone)
> > >
> > > If it was an incoming call to asterisk, the following lines in
> > > extensions.conf would do the trick.
> > > exten => s,1,Answer
> > > exten => s,2,Dial,Zap/10
> > >
> > > However, the 's' state is not valid for just picking up a phone
> > > (extension). With nothing being dialed there are no extension matches
> > > to make. It is like the dial tone needs to time out in a very short
> > > time and instead of getting the busy tone, asterisk should dial an
> > > extension.
> >
> > in /etc/asterisk/zapata.conf, I think this is what you are looking for.
> > ;
> > ; Specify whether the channel should be answered immediately or
> > ; if the simple switch should provide dialtone, read digits, etc.
> > ;
> > immediate=no
> >
>
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