Sergio-
rtp-nte uses dtmf transmission in-band and h245-a uses out of-band , that's the
issue, please try following-
-Configure the dtmf-relay rtp-nte digit-drop command on
the incoming SIP dial-peer. On the H.323 side configure either dtmf-
relay h245-alphanumeric or dtmf-relay h245-signal command.
-anil
--- On Fri, 4/3/09, Sergio Polizer <spoli...@hotmail.com> wrote:
From: Sergio Polizer <spoli...@hotmail.com>
Subject: Re: [OSL | CCIE_Voice] DTMF digits from CME calls to Unity does not
work
To: cl...@mcglamry.net, ccie_voice@onlinestudylist.com
Date: Friday, April 3, 2009, 11:19 PM
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Yes, I do. It is transcoding the differents codecs from this call. A simple
hold/unhold works also.
The only problem is related to the DTMF. When I call to the Unity from CME
phone It does not "understand" the DTMF digits.
CME Phone ---h323 (h245-alp) g729--->
IPIPGW----SIP(rtp-nte)g711u---->Unity
From: cl...@mcglamry.net
To: spoli...@hotmail.com; ccie_voice@onlinestudylist.com
Subject: Re: [OSL | CCIE_Voice] DTMF digits from CME calls to Unity does not
work
Date: Fri, 3 Apr 2009 10:13:02 -0400
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Do you have a transcoder available and registered on the
IPIPGW? This sounds like an issue where you may be having a supplementary
services problem. If I'm right, you probably can't hold and unhold the
call either.
----- Original Message -----
From:
Sergio
Polizer
To: ccie_voice@onlinestudylist.com
Sent: Thursday, April 02, 2009 8:08
PM
Subject: [OSL | CCIE_Voice] DTMF digits
from CME calls to Unity does not work
Hi, I'm trying to make DTMF digits be
recognize by Unity from CME calls through a IPIPGW. This is the
topology:
CME Phone ---h323--->
IPIPGW----SIP---->Unity
Please, May someone give me a
suggestion? Thank You!
This is the config at
CME:
dial-peer voice 21 voip
preference
1
destination-pattern [12]...
voice-class codec
1
voice-class h323 1
session target
ipv4:10.2.200.21
dtmf-relay h245-alphanumeric
fax protocol
pass-through g711ulaw
This is the config at IPIPGW:
dial-peer
voice 12 voip
incoming called-number [12]...
dtmf-relay
h245-alphanumeric
!
dial-peer voice 13 voip
destination-pattern
[12]...
session protocol sipv2
session target
ipv4:10.2.200.21
dtmf-relay rtp-nte (***I tried rtp-nte digit-drop
h245-alp but no success)
codec g711ulaw
!
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