[Asterisk-Users] Unreliable dtmf digit generation from tdm400p

[Alok K. Dhir]

I have the *exact* same problem.  Please let me know if you have found 
any solution.  Thanks!

In my setup I have 2 of the TDM400P cards, with four FXO modules each.

Al

ghost at silcon.com wrote:

>I have a tdm400p 4 port fxo card which is not reliably creating the dtmf
>dialed digits when making a call.  I have placed a linemans handset in
>monitor mode on the line and can hear that what the system reports it is
>dialing is not what the card is actually dialing.  This happens about
>25-50% of the time. The remaining time the digits dialed are correct and
>the call goes through properly.
>
>For example, I dial 5551212
>
> == Spawn extension (default, 95551212, 1) exited non-zero on 'SIP/102-8da7'
>    -- Executing Dial("SIP/102-07cb", "Zap/2/5551212") in new stack
>    -- Called 2/5551212
>    -- Zap/2-1 answered SIP/102-07cb
>
>The system logs that it's dialing 5551212 to channel zap/2.. great.
>
>Now when I actually listen to what the card is dialing, it doesn't dial
>5551212 but something like 555212.  I don't know what exactly it's dialing
>since I can't decode dtmf in my head, but it's clearly missing a digit or
>two.  As a result, the telco comes back with a "your call can't be
>completed" because the full phone number wasn't dialed.
>
>I have a X100P which is also in the system which works just fine.. it
>never has this problem.
>
>This is a brand new card, and I only have this one, so I can't test with
>any others. Maybe it's defective?    I've spent all day trying to
>troubleshoot this - I've tried different phone lines, even put the card
>into another box I built to try and troubleshoot.  Always get the same
>intermittant problem.
>
>Also I've noticed in this testing that there is a slight pause before the
>last digit is dialed.  This always occurs and I'm curious why it does
>this.
>
>Thanks for anyones help!
>
>Mark
>
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-- 
Alok K. Dhir <adhir at symplicity.com>
Symplicity Corporation
http://solutions.symplicity.com
703 351 6987 (w) | 703 351-6357 (f)