[Asterisk-Users] Polycom DTMF

[Joseph]

This is problem with the SIP chanell in asterisk; my SPA-3000 inband is
not working either so I stay with 1.0.5

#Joseph

[snip]
> 	I noticed this in testing the 1.0.7 Release Candidate w/ my 
> Polycom phones. I posted the following in 
> http://bugs.digium.com/bug_view_page.php?bug_id=0003746
> 
> 03-16-05 16:05
> Alright. I updated my Development and Home PBXs to 1.0.7 w/ Slepp's Dundi 
> 1.0.2_diff-4 patch. Both are running solid. One issue that I noticed is 
> that my Polycom SP IP phones had to be changed to use RFC2833 signalling 
> instead of the Inband signalling I had been using earlier. I simply 
> modified the sip.conf to have "dtmfmode=rfc2833". This proved to be a 
> slight gotcha for a couple of clients when I updated THEIR boxes. This 
> could be just a fluke, and I may be an idiot for having used inband DTMF 
> in the first place, but it is something to be concious of. Can anyone 
> pinpoint a specific SIP patch that may have been applied where this may 
> have been affected? How should this be handled? Should I add it as a new 
> bug-note? Or should we just chalk it up and slap a notice in the release 
> notes? Should inband signaling be broken in 1.0.7 for Polycom phones? Or 
> should it work? I guess this is the question that needs to be asked.. is 
> it normal behaviour or a bug? I'm not sure if this is related, but I also 
> enabled MMX math routines for Zaptel.
> 
> I never got any followup on it before 1.0.7 was dropped.
> 
> I'm going to open up a new bug report on this in Mantis and see what we 
> can get as far as comments.
> 
-- 
#Joseph