[cisco-voip] UCCX with H.323 gateway

Mike Lydick mike.lydick at gmail.com
Thu Jan 15 07:04:36 EST 2009


There are setting (system parameters) in UCM for advertise g729. These need
to be disabled.
Best Regards,

Mike Lydick



On Wed, Jan 14, 2009 at 11:25 PM, Peter Slow <peter.slow at gmail.com> wrote:

> Aman,
>    you are correct regarding it being a resource/codec
> negotiation/dsp related issue with that cause code. Depending on your
> region configuration, you almost certainly needed transcoders in the
> MRGL assigned to the _gateway_ taking the inbound calls.
>
>   The transcoder must always be physically co-located with the device
> doing the higher-bandwidth codec. in a case where regions dictate that
> g.729 is required between the CTI ports and the gateway, _both_
> devices might need transcoders, assuming that the CTI ports are only
> capable of g.711.
>
>   If you have CCM traces (with h.245 message tracing enabled)  from a
> failing scenario i'd be happy to read them for you.
>
> -Peter
>
> On Wed, Jan 14, 2009 at 10:50 PM, James Buchanan <jbuchanan at ctiusa.com>
> wrote:
> > Hello,
> >
> >
> >
> > Does your inbound CSS have access to the partition where the ports
> reside?
> >
> >
> >
> > Thanks,
> >
> >
> >
> > James
> >
> >
> >
> > From: cisco-voip-bounces at puck.nether.net
> > [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Aman Chugh
> > Sent: Wednesday, January 14, 2009 9:47 PM
> > To: cisco-voip at puck.nether.net
> > Subject: [cisco-voip] UCCX with H.323 gateway
> >
> >
> >
> >
> >
> > I have an issue where I am looking for ideas on what to do next. I have
> > inbound calls coming in to an H.323 gateway and going to UCCX . Calls do
> not
> > work , it rings twice and then disconnects. I have forced the codec on
> the
> > dial-peer to use g.711 using voice class codec , I have checked and
> > unchecked MTP on the H.323 gateway, ISDN disconnect cause code is
> resource
> > unavailable which indicates codec or media resource issue but I have an
> MRGL
> > with hardware transcoders assigned to CTI port group on IPCCX.  As a
> > workaround I switched the dial-peer to SIP and now calls work. I am
> clueless
> > at this time.
> >
> >
> >
> >
> >
> > PS - Cant use MGCP because I also want to use the gateway with CVP.
> >
> >
> >
> > TIA
> >
> >
> >
> > Aman
> >
> > No virus found in this incoming message.
> > Checked by AVG - http://www.avg.com
> > Version: 8.0.176 / Virus Database: 270.10.6/1891 - Release Date:
> 1/14/2009
> > 6:59 AM
> >
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> >
> >
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