[cisco-voip] DTMF's diferences bettwen Cube\SBC and MG AS5350

[Ellington, Chris]

Make sure on each leg you choose the correct dtmf - I've configured, a
number of times, the inbound leg as dtmf-relay h245-alpha and the
outbound sip leg as dtmf-relay rtp-nte - both sides DO NOT have to be
the same (and if they are the same, it's probably not correct).

 

What else does the SBC terminate to (you mention one side goes to the
SIP provider, but the other?)  If it's CCM, you probably want
h245-alpha.

 

chris

 

From: Salo Ben-Avi [mailto:salob at personeta.com] 
Sent: Wednesday, June 18, 2008 4:04 PM
To: Ellington, Chris; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] DTMF's diferences bettwen Cube\SBC and MG
AS5350

 

Yes I'm using SIP provider and you probably are right he is not sending
it inband  but I need to receive it inband any way I can in the gateway
translate it ?

I tried with dtmf-relay rtp-nte and this is when I receive only a part
of the dtmfs L.

Salo

 

From: Ellington, Chris [mailto:Chris.Ellington at inin.com] 
Sent: Wednesday, June 18, 2008 22:53 PM
To: Salo Ben-Avi; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] DTMF's diferences bettwen Cube\SBC and MG
AS5350

 

Are you using a SIP provider rather than the PRI?  If so, the provider
is likely using RFC2833 media for DTMF and not inband DTMF and that is
your trouble.  You will want to configure dtmf-relay rtp-nte (which is
how Cisco does RFC2833).  I doubt it's an issue of hardware, but
certainly post a show ver for each platform because there are a some of
bugs depending on the IOS for DTMF relay.

 

chris

 

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Salo Ben-Avi
Sent: Wednesday, June 18, 2008 3:46 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] DTMF's diferences bettwen Cube\SBC and MG AS5350

 

Ihad been using a MG AS 5350 to send DTMf's to my media server in order
to collect them and it  this mg is connected to a PRI and it works ok

Now I'm trying to use a sip trunk with the cube /sbc  in order to send
the DTMF's to my media server and I'm receiving only a part of them not
consistent 

Has any one an idea which debug I can open in both (AS5350 and CUBE)
that will show me what are the Dial peers been used and the differences
between the messages sent?

Thanks in Advance  

 

 

Salo Ben-Avi

 

 

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