[Asterisk-Users] Ringdown Circuit Configuration

[John Todd]

I believe the Cisco ATA-186 supports it, but you'd have to do more 
digging on their site.

This is really not a protocol issue, but a vendor programming issue. 
It all depends on if you can get the hardware to do a hotline call 
when the phone is taken off the hook.

JT


>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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