[cisco-voip] transcoding from g711 to g729 with CME

[Ted Nugent]

Yes, I've had the exact same problem and finally
figured it out.
First of make sure your matching your inbound (from
WAN) and outbound (to CUE) DPs... (debug voip dialpeer
all). If not make sure your translation rules are
right or tranfer-pattern .T is added in tel-serv. Most
importantly make sure you lock in your WAN DP to
G729... if you use a voice class with G711 it will
never work even if G729 is prefered first.


HTH
Ted


--- "Hinson, Greg" <Greg_Hinson at adp.com> wrote:

> I have a client that is using CME at a remote store
> and Enterprise
> CallManager at the host location. I have regions
> setup, forcing the
> calls destined for the remote location to g729. The
> CME hardware is a
> 2821 platform running 12.3.14T7 spservices IOS with
> an NM-CUE module.
> Using a gatekeeper to interconnect the two
> callmanagers, I can
> successfully negotiate a g729 call across the
> network, but on a CME
> call-forward-no answer condition to Unity Express,
> the call drops with a
> fast busy. I followed the guidelines referenced in
> the doc below for
> creating a dspfarm/sccp profiles and its assignment
> to
> telephony-service, but with no success. I also
> upgraded the IOS to
> 12.4.3, thinking it was an incompatibility issue
> with 12.3.14, and I
> have the same problem.  Any ideas?
>  
>  
>
http://www.cisco.com/en/US/partner/products/sw/iosswrel/ps5207/products_
> feature_guide_chapter09186a00802d255d.html
>  
>  
>  
> -Greg
>  
> 
> 
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