[asterisk-users] Dialplan checkup

[Steve Murphy]

On Fri, 2007-02-09 at 18:35 -0500, Barry Fawthrop wrote:
> Hi All
> 
> Curious will this work
> Std. PSTN line  ---x------ X100p
>                    |
>                    ------ Fax Machine
> Using a standard "home phone" pstn line with a splitter connecting a fax 
> machine and X100 Asterisk Box
> Incoming Line: Can I have in the dial Plan
> [incoming]
> exten  => s,1,Wait(1)
> exten  => s,2,IfFax continue to ring, so that the Fax Machine gets it
> exten  => s,3,Answer
> exten  => s,4,Playback(Message)
> exten  => s,5,Dial(SIP/1000&SIP/2000&SIP/3000)
> exten  => s,6,Hangup()
> exten  => fax,1,Wait(30)
> exten  => fax,2,Wait(10)
> exten  => fax,3,Hangup()
>                  
> I'm wanting the line to ring,
> If it is a fax coming in then Asterisk leaves the line alone and lets 
> the fax machine handle the call. 
> If it is a call then Asterisk answers, plays a greeting and rings the IP 
> phones?

First, the in s,3 you answered the line. If the fax machine doesn't
answer on the first ring, it never will, because once asterisk picks up
the line, there won't be any more ringing.

Second, when s comes to an end, it will listen for a response, and be
able to hear and respond to the fax tone. In this case, you hang up
before that happens. So the fax extension can't be activated.


> 
> Question is how does asterisk detect the call without answering?
> I'm not wanting Asterisk to handle the call if it is a fax if possible???
> 
> I look forward to your input,
> Thank You
> 
> Barry
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