[asterisk-dev] [Code Review]: chan_dahdi: Add dialtonedetect option

[Jeremy Pepper]

> On Feb. 13, 2012, 2:55 p.m., rmudgett wrote:
> > trunk/channels/chan_dahdi.c, lines 9272-9274
> > <https://reviewboard.asterisk.org/r/1737/diff/1/?file=24156#file24156line9272>
> >
> >     This code will break the dialtone detection for outgoing calls checked later.  (See code dealing with p->waitingfordt)

I see. To avoid this, it looks like I'll want to drop the new frame type and check the DSP state the same way waitingfordt does. Does this make sense to you?


- Jeremy


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On Feb. 13, 2012, 1:33 p.m., Jeremy Pepper wrote:
> 
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> https://reviewboard.asterisk.org/r/1737/
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> 
> (Updated Feb. 13, 2012, 1:33 p.m.)
> 
> 
> Review request for Asterisk Developers.
> 
> 
> Summary
> -------
> 
> chan_dahdi: Add dialtonedetect option
> 
> This adds an option to chan_dahdi.conf called dialtonedetect. This can be set like this:
> 
>     dialtonedetect = yes ; Watch for dialtone for 10 seconds after answer
>     dialtonedetect = always ; Watch for dialtone for the whole call
>     dialtonedetect = 5000 ; Watch for dialtone for 5000ms
> 
> If dialtone is detected on an inbound call, Asterisk will hang up the channel.
> 
> 
> This addresses bug ASTERISK-19316.
>     https://issues.asterisk.org/jira/browse/ASTERISK-19316
> 
> 
> Diffs
> -----
> 
>   trunk/channels/chan_dahdi.c 354459 
>   trunk/configs/chan_dahdi.conf.sample 354459 
>   trunk/include/asterisk/frame.h 354459 
>   trunk/main/dsp.c 354459 
> 
> Diff: https://reviewboard.asterisk.org/r/1737/diff
> 
> 
> Testing
> -------
> 
> This patch has been installed on an Asterisk box connected to another Asterisk box simulating an upstream carrier. Testing was done with dialtonedetect off, set to always, set to yes, and set to a custom value.
> 
> 
> Thanks,
> 
> Jeremy
> 
>

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