In fact what I mentioned are abstract from Mark'e inputs only.

--- On Sat, 4/4/09, Cliff McGlamry <cl...@mcglamry.net> wrote:

From: Cliff McGlamry <cl...@mcglamry.net>
Subject: Re: [OSL | CCIE_Voice] DTMF digits from CME calls to Unity does not 
work
To: "Sergio Polizer" <spoli...@hotmail.com>, ccie_voice@onlinestudylist.com
Date: Saturday, April 4, 2009, 1:35 AM



 
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I remember Mark Snow mentioning at one point that there 
are certain transformations around DTMF relay that are not supported in a CUBE 
environment.  I think this was it.  
 
Have you tried changing the sip config to SIP-Notify with 
H245-Alpha on the H.323 side?
 
Mark Snow, if you're monitoring this thread, could you 
please pipe up?  What was the "allowed" DTMF relay transformation and what 
wasn't supported?
 
Cliff
 

  ----- Original Message ----- 
  From: 
  Sergio 
  Polizer 
  To: cl...@mcglamry.net ; ccie_voice@onlinestudylist.com 
  
  Sent: Friday, April 03, 2009 1:49 
PM
  Subject: RE: [OSL | CCIE_Voice] DTMF 
  digits from CME calls to Unity does not work
  
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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