[Freeswitch-dev] New "mod_dahdi_timer" - does the community want this?

[Bob Hartwig]

OK, Michael, I'm swamped with work so I won't get to this right away, but
I'll do that.

    Thanks,
    Bob


On Mon, Oct 21, 2013 at 11:15 AM, Michael Jerris <mike at jerris.com> wrote:

> Sure, except obviously we shouldn't hardcode the change to mod_conference,
> we should make the timer an option in mod_conference config.  Toss it on
> out in jira.
>
> Thanks
> Mike
>
> On Oct 18, 2013, at 10:32 AM, Bob Hartwig <bobjects at gmail.com> wrote:
>
> > I ran across a problem with a Dahdi-based FreeTDM system a few weeks
> ago.  Because the timer for mod_conference was not synchronized to the T1
> clock source, there was significant periodic on-conference noise.  The
> problem was not that the "soft" timer was inaccurate; on the contrary, it
> was a very accurate 1 mS timer in a system that had a pretty inaccurate T1
> clock coming in.
> >
> > My solution was to create a new "mod_dahdi_timer", which derives the ~1
> mS timer from 8 ticks of the 8 kHz /dev/dahdi/timer device.  Then a
> one-line change to mod_conference.c to change "soft" to "dahdi", and the
> conference sounds perfectly clean.
> >
> > Is this something that the FS community wants?  It's pretty specific -
> probably only of interest to users of Dahdi-based FreeTDM systems, but for
> them, it may be very useful.  If so, how do I go about contributing it?
>  I've never contributed any source to the FS community before.
> >
> >     Thanks,
> >     Bob
> >
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