AW: [cisco-voip] MTP, G729 and CCM 3.2

[Bernhard Albler]

Hi ryan,
jep, mtp required is set. I guess this is the issue. I will have to check with a colleague to see why it is configured this way (I fear it is for a reason).

Many thanks as alyways
Best regards
bernhard

> -----Ursprüngliche Nachricht-----
> Von: Ryan Ratliff [mailto:rratliff at cisco.com]
> Gesendet: Sonntag, 20. November 2005 18:13
> An: Bernhard Albler
> Cc: cisco-voip at puck.nether.net
> Betreff: Re: [cisco-voip] MTP, G729 and CCM 3.2
> 
> Sounds like you have "MTP Required" set on the H.323 gateway config
> in CM.  Since the software MTP in CM only supports g.711 your g.729
> call is not getting any MTP resources allocated.   Since both
> endpoints support g.729 CM allows the call to proceed (this is
> changed via service parameter) however supplemental services (hold,
> transfer, conference, etc) are disabled for the call.
> 
> Do you really require MTP resources for calls via your H.323
> gateway?  If it's an IOS device running any kind of recent code it is
> not really necessary.  CM 3.2 doesn't support outbound H.323
> faststart nor the built-in bridge so you may not even need to use the
> MTP.
> 
> -Ryan
> 
> On Nov 20, 2005, at 10:20 AM, Bernhard Albler wrote:
> 
> Hi everyone,
> 
> 
> 
> I must say I'm currently dealing with a CCM 3.2 Implementation and
> since I have no experience with anything before 4.0, I'm a bit stumped...
> 
> There is a remote location which was recently switched to g729 and
> now they can't used hold, transfer and so on with a H323 Gateway (MTP
> problem, I know).
> 
> CCM traces complain about a Capabilities mismatch with the MTP. The
> IP Voice Media Streaming app has g729 activated and was restarted.
> 
> Should this work with 3.2? any ideas for further troubleshooting?
> 
> Many thanks
> 
> bernhard
> 
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