[cisco-voip] Dialing to H.323. GW

[Mike J. Erickson]

The Voicemail on the other end is and Avaya system.

-----Original Message-----
From: dschulz at skyline-ats.com [mailto:dschulz at skyline-ats.com] 
Sent: Thursday, December 10, 2009 11:19 AM
To: Mike J. Erickson
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Dialing to H.323. GW

Hi Mike -

You said that as soon as voice mail tries to pick up it goes busy.  What
voice mail are you using?  Some voice mail systems only do G.711, which
would cause this to happen (without an available transcoder).  Do you have
transcoders available at this location.

If you are using Unity the transcoding is onboard.  If you are using Unity
Connection, then the phone system is required to transcode.

HTH.
Dave


> Group,
>
> We recently upgraded to CM 7.x from CM 4.2(sr3).  We are able to 4 digit
> dial another phone system across the Ocean.  The calls ring on the other
> end, but as soon as the Voicemail tries to pick up it goes to fast busy.
> I am guessing there is a codec issue, but not sure.  The other end is and
> Avaya system.  I have looked at the other side and it is using G.729.
>
> Thanks in advance,
> Mike
>
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