[Asterisk-Dev] app_rpt and iaxcomm ptt

[Steve Rodgers]

We really cannot sign up to this. It's not going to happen with app_rpt. 


On Thursday 25 August 2005 17:02, Andreas Bayer wrote:
> Am Donnerstag, 25. August 2005 20:08 schrieb hwstar at rodgers.sdcoxmail.com:
> > Andreas,
> >
> > What you are asking for is VOX (voice activated TX). This is not
> > something we wish to support in app_rpt. Detecting audio frames to key
> > and unkey transmitters is not reliable, especially when dealing with
> > stuck transmitters, chopped words and carrier unkey delays.
>
> There is a difference between no audio frames (or cng frames) and audio
> frames with noise but no voice.
>
> It is similar to getting a carrier signal without modulation or getting no
> carrier.
>
>
> I am not asking for vox, because i know it is a bad idea.
>
> ---------------------------------------------------------------------------
>---------
>
> Am Donnerstag, 25. August 2005 19:52 schrieb Steve Kann:
> > The latest iaxclient, and, by extension, iaxcomm, also send a CNG frame
> > when they stop sending audio.  So, app_rpt can easily keep track of the
> > PTT state:
> >
> > Start in state OFF.
> >
> > State OFF -- receive a voice frame -> State ON
> > State ON -- receive a CNG frame -> State OFF
>
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