[asterisk-users] Re: DTMF Corruption Problem

[Justin Tunney]

Sup pigs,

I think I found the solution to the problem!

It's a one line of code fix to rtp.c that people have been going daffy
about for almost a year!  A patch was uploaded in August but for some
reason it hasn't found its way in to 1.2.

Here's the bug:

http://bugs.digium.com/view.php?id=5970

Direct link to patch for the lazy:

http://bugs.digium.com/file_download.php?file_id=11337&type=bug

On 11/8/06, Justin Tunney <jtunney at gmail.com> wrote:
> Asterisk People,
>
> I'm currently using Asterisk and with a SIP voip provider and I'm
> having problems where DTMF input in my IVR app is getting corrupted
> intermittently.
>
> For example, if someone enters 1025, it may come though correctly as
> 1025, or it may come trough as 10025, or 100255.  DTMF digits will
> just double up.
>
> This doesn't happen all the time.  Asterisk will just pick times to
> not be very friendly with DTMF, and other times it will just work
> flawlessly.
>
> I'm using RFC2833 on:
>
> Linux hostname 2.6.9-42.0.2.ELsmp #1 SMP Wed Aug 23 00:17:26 CDT 2006
> i686 i686 i386 GNU/Linux
>
> with Asterisk 1.2.13.
>
> Also, I am not using a zaptel timer.  Could this possibly be causing
> problems with DTMF??
>
> Thanks!
>
> --
> Justin Tunney
>