[asterisk-users] 9 becomes 99 ? And other strangeness

Brian Candler B.Candler at pobox.com
Fri Sep 15 02:42:31 MST 2006

On Thu, Sep 14, 2006 at 08:33:43PM -0500, Eric ManxPower Wieling wrote:
> Turn off relaxdtmf in zapata.conf if that does not help play with the 
> rxgain, if that does not help, play with the txgain.  If the volume is 
> too loud or too soft on zap channels, Asterisk can sometimes miss or see 
> double DTMF.

That's the pointer I needed.

With lots of experimentation, it was clear that double DTMF only occurred on
the first digit - and this is while the dial tone is being played, of

Setting "txgain=-6.0" seemes to have solved this.

Many thanks,


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