Its probably based on your network.  Are you behind NAT?  Sometimes it takes a few seconds for the automatic translation to kick in.

You can add a sleep 1000 after answer to ensure you have established media before you play the tone.

On Mon, Apr 7, 2014 at 5:10 PM, Oleg Stolyar <olegstolyar@gmail.com> wrote:

Hi guys,

I have the following in my dialplan:

      <condition field="${<some field>}" expression="<some expression>">

        <action application="answer"/>

        <action application="set" data="api_hangup_hook=curl <some URL>"/>

        <action application="playback" data="tone_stream://v=0;%(1000,0,600)" />

        <action application="conference" data="$1@default"/>

      </condition>

Notice the line in bold.  In most cases the tone plays fine but in some cases it is shorter than 1 second and in a few cases it does not play at all.  Has anyone run into this?  Is there a way to make the occasional media delay after answer go away?

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