[Asterisk-Users] Sipura SPA-3000 and PSTN dtmf

[Vladyslav]

On Thu, 2006-03-02 at 10:59, asterisk at anime.net wrote:
> On Thu, 2 Mar 2006, Vladyslav wrote:
> > Just my couple notes on spa3000 and PSTN DTMFs.
> > Such schema:
> > PSTN <-> SPA3000 <-> Asterisk
> >
> > Have problems with DTMF detection on incoming calls
> > when call comes from cell phone. Once per 4 times it
> > misdetect some ditigs (whether first digit will be
> > doubled or unrecognized at all).
> > Were tried different (5) cell phones (cell phones providers)
> > Also support from sipura has no clue.
> 
> I gave up on letting the spa3000 do dtmf and just changed everything to 
> inband, so asterisk handles it now.

Are U sure that, when it's set to inband, Asterisk handles DTMFs ?
I did set debug and syslog server on sipura to one of my box and grab
all debug information from sipura3000. Even when DTMF were set to inband
I have seen sipura detected DTMFs from PSTN line.