[Asterisk-Users] DTMF Decode - this doesnt make sense :-)

[Rich Adamson]

> This is bending my head and I'm hoping someone can help.  Call flow as follows
> 
> Sipphone -> sipphone.com -> asterisk -> sipura 3000 (PSTN port)
> 
> the sipphone is calling to my pstn line on the sipura.  Works FANTASTIC, pin
> number on sipura entered, DTMF to PSTN decoded and number dialed, no problems !
> 
> IN the configurations below, the supra cant decode the DTMF, nor can the
> remote asterisk box decode the extension properly for the PSTN gateway
> 
> 
> mobile -> ipkall.com -> sipphone.com -> asterisk -> sipura 3000
> mobile -> sipura 3000 -> asterisk -> sipphone.com -> asterisk -> sipura
> sipphone -> asterisk -> sipphone.com -> asterisk -> sipura
> 
> Using asterisk -vvvvc I see broken extension numbers ie: if it was extension
> 7010, it decodes 73, 0 701 etc
> 
> With a straight sipphone in the top example, it works 100% reliable.  If
> anyone could help I'd surely appreciate it as I'm out of ideas !

Sounds like the various boxes are not defined to use the same dtmf
signaling. Look at the various 'dtmfmode=' settings in asterisk, and
the setting in the spa3k. They need to match.