[asterisk-users] wrond DTMF detection on Zap channel

[C F]

are you using chan_local?
try disabling the hardware DTMF.

Sent using my wired Blueberry.

On 10/9/09, nik600 <nik600 at gmail.com> wrote:
> Dear all
>
> i have a TE205P connected to an Asterisk 1.2.18.
>
> Yes i know, the version is old but since now the system was stable and
> i don't have the necessity of an upgrade.
>
> The system provide an IVR service that:
>
> 1) receive the call
> 2) verify the queue length
> 3) hangup if queue length is > 1
> 4) put the call in the queue othervise
>
> Then, there is an AGI php script that
> 1) verify the queue
> 2) wait 5 seconds if the queue is empty
> 3) pick-up a call from the queue and transfer it to an extension othervise
>
> Finally, the extension lanuch another AGI php script that requires
> some DTMF tone to the user to perform some actions.
> This system is working properly since 2006.
>
> Well, the problem during last days is that it seems that sometimes the
> DTMF recognition doesn't work, in the debug i get:
>
>  AGI Tx >> 200 result=0
>
> But users complains to me because they assure to have digited
> something different than 0.
> The problem seems to be reproducible when the system is loaded (i
> don't have information on the SO but we receive abut 2500 calls per
> hour each call is very short because usually it is hangup after a very
> short time, as the queue length is very often 1)
>
> It's not an AGI application problem as i get the "wrong" dtmf tone
> directly from Asterisk.
> It's not a phone problem as the same phone may retry and then it works.
>
> Is it possible to relate it with the load of the server?
>
> Can you suggest me something?
>
> Thansk
>
> --
> /*************/
> nik600
> http://www.kumbe.it
>
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