[Asterisk-Users] SIP and DTMF

[Dan]

I have the same problem with Cisco 7960 with both inband and rfc mode.
Allways 351 is seen as 3351.
Codec used: both G.711 ones.

Dan
----- Original Message ----- 
From: "Avery, Brian" <B.Avery at hp.com>
To: <asterisk-users at lists.digium.com>
Cc: "Avery, Brian" <B.Avery at hp.com>
Sent: Friday, May 23, 2003 9:12 PM
Subject: [Asterisk-Users] SIP and DTMF


> Hello, 
> 
> I am fairly new to asterisk. I am currently using asterisk as a
> more convenient sip side voicemail system.  
> 
> My problem:
> I have cisco 7960 phones whose out of band dtmf tones
> are recognized properly(when dtmfmode=rfc2833) by asterisk but whose
> in-band dtmf tones are recognised poorly(when dtmfmode=inband) . For
> example 7999 comes out as 799999, 4242 comes out as 442422 ... etc
> 
> I also have a cisco 2600 acting as a router/bridge
> between a Nortel Option 11C pbx and the voip/sip side.  It can only send
> in-band dtmf as far as I can tell (probably because that is how the
> Nortel is forwarding it.
> 
> I found the dtmfmode switch to make EITHER one work.  Is there a
> method so that asterisk can deal with both in band and out of band dtmf
> tones at the same time?  is there a reason that it would ever need to
> ignore the out of band ones?
> 
> 
> thanks,
> Brian Avery
> 
> 
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