[asterisk-users] Background / Invalid Extension through cell phone

[Eric "ManxPower" Wieling]

Doug Lytle wrote:
> John Congdon wrote:
>> Hi,
>>
>> I have had an issue for a long time, and really just can't solve it.
>>
>> My boss and others seem to have a problem when they call into our 
>> asterisk phone system.  It often takes 3-4 tries of entering an 
>> extension before the system gets it right.
>>
>> Below is my context that the call comes into, and some debugging from 
>> the asterisk console.
> 
> 
> You may want to add the following to the zapata.conf
> 
> ; If you are having trouble with DTMF detection, you can relax the DTMF
> ; detection parameters.  Relaxing them may make the DTMF detector more 
> likely
> ; to have "talkoff" where DTMF is detected when it shouldn't be.
> ;
> ;relaxdtmf=yes

I have found that relaxdtmf=yes has caused more problems than it fixes. 
  In my experience problems with detecting DTMF on an FXO port can 
usually be fixed by playing with rxgain and txgain.