[Asterisk-Users] authenticate problem

[Martin Joseph]

On Feb 26, 2006, at 5:37 AM, Wooi Koay wrote:

> I have a POTS and a sip incoming into my asterisk server.  When I call
> the POTS number from outside (cell or landline) and trying to
> authenticate myself when enter #, 8 out of 10 times I got an
> authentication incorrect.  If I call in to the sip incoming line, 10
> out of 10 times the authentication process passes.
Could be a simple volume issue with the tones coming in from PSTN?  
Also,  if you are using inband tones, you need to use either ulaw or 
alaw codecs to get workable DTMF recognition.