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

[Klaus Darilion]

Nick Lewis wrote:
>> 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.

Yes, it would be great if it would work on any channel. Maybe we need a 
function DETECT([hangup,][busy,][congestion,][...]).

regards
klaus

  After all inband DTMF has to coexist with RFC2833
> (GHU)
> 
> -- N_L
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