[asterisk-dev] Voicemail don't detect Hangup / busy tone ?

Serge Berney s.berney at kinonline.net
Wed May 5 10:54:22 CDT 2010


So, if I understand, it is possible to detect a signal tone on "inband DTMF" ?

Is there any Asterisk function I can use to detect, when message recording (on voicemail), any signal tone and do what needed with it ?

Thanks !

Serge Berney
Kin SA

-----Message d'origine-----
De : asterisk-dev-bounces at lists.digium.com [mailto:asterisk-dev-bounces at lists.digium.com] De la part de Nick Lewis
Envoyé : mercredi, 5. mai 2010 14:36
À : Asterisk Developers Mailing List
Objet : Re: [asterisk-dev] Voicemail don't detect Hangup / busy tone ?

>DAHDI channels can be configured to detect the 
>hangup. But if you are using an external gateway 
>maybe you can configure this gateway to detect 
>the busy tone and hangup.

I can understand why d-channel and loop state (line reversal, flash,
pulse dialling, ringing, neon etc) have to be dealt with by DAHDI but it
seems an artificial limitation to restrict detection of inband tones and
patterns to DAHDI. After all inband DTMF has to coexist with RFC2833
(GHU)

-- N_L

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