Hello Anthony,

On Tue, Sep 24, 2013 at 11:45 PM, Anthony Minessale <anthony.minessale@gmail.com> wrote:

You could test your theory more by making an extension like this:

    <extension name="test">

      <condition field="destination_number" expression="^1234$">

        <action application="answer"/>

        <action application="set" data="time_name=soft"/>

        <action application="playback" data="tone_stream://%(251,0,1004);loops=-1"/>

      </condition>

    </extension>

This would produce a timer and use it for playback instead of the read stream.

Yes, I did just that yesterday, and the playback is similarly distorted then.  That experiment is what made me pretty certain that the mod_conference timer was my culprit.

 

If you wanted to make a timer you could use from the TDM you would have to make a FS module with raw dahdi code in it that opened a socket and clocked off of it and pushed it out to the channels like how some of the other timer modules do but I think if you are on a modern kernel with timerfd that this should not be necessary.  If you are on an older platform like centos5 you could try the old -heavy-timer command line arg.

-heavy-timer is new to me, thanks for the tip.  My problem is not timer accuracy, but timer synchronization with the T1 clock.  But grepping for heavy-timer may give me some insight on how to replace the main timer if it turns out that I need to go that way.

    Thanks,

    Bob