[Asterisk-Users] How to flash a modem line

[Stu Gotz]

The H0,H1 timing may be tricky, but, If the modem is AT compliant, ATD! is 
the flash command. The timing is based on S register 29.

----- Original Message ----- 
From: "Raoul Bönisch" <jkl345 at gmx.net>
To: <asterisk-users at lists.digium.com>
Sent: Monday, March 14, 2005 10:50 AM
Subject: [Asterisk-Users] How to flash a modem line


>* Mateo Meier <ich at mateo.ch> [2005-02-28 09:13]:
>> I tryed that with capi.. but no luke. It will hang up the line anyway :-(
>>
>> exten => s,1,Playback(transfer)
>> exten => s,2,Flash(capi/72044**:041720****,18)
>> exten => s,3,SendDTMF(${ARG1})
>> exten => s,4,Hangup()
>>
>> Any idears why ?
>
> No wonder! The Flash() application can flash zap channels only
> and you are trying to flash a modem channel. There's no obvious
> facility to flash a modem channel as I can find nothing about it
> in chan_modem.c. :-\
>
> I want to do the same thing and I am using ISDN4Linux. Perhaps we
> can try submit AT-commands to the modem line. A timed H0 and H1
> command would do the thing. I'm afraid we'd have to change the
> asterisk source code though. It would even work with CAPI as you
> can use ISDN4Linux on top of CAPI, too.
>
> Please tell me if you find any solutions :-)
>
> Greets!
>
> Raoul
>
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