[cisco-voip] MTP - application log error

[Erik Erasmus (E)]

HI Kevin

thanks for the input - I am not onsite at the customer - just the
partner - but will ask them and also when onsite look at the
announcements - it is possible.

I also hear now from TAC - that another potential cause is the use of
a second ATA port in branches - for faxes. I think some branches have
ATAs where both ports are used and according to cisco one one port is
supported without the requirement of MTP = will also look int this


erik

________________________________

From: Kevin Thorngren [mailto:kthorngr at cisco.com]
Sent: Wed 2006-07-12 17:47
To: Erik Erasmus (E)
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] MTP - application log error


Hi Erik,

There are many reason why this could happen. Someone would need to
look at the CCM traces to see what is really happening but here are a
couple of ideas that won't actually cause call failures:

- MoH to a G.729 Region where there is no Transcoder and the G.729
codec is not selected in the IPVMSA service parameters (you mentioned
no MoH to the branches so this might not be the case).
- A failure to allocate a transcoder when the annunciator is invoked.
Do you hear the annunciator when placing calls that fail or do you
just hear reorder?

Kevin
On Jul 12, 2006, at 9:46 AM, Erik Erasmus ((E)) wrote:


	Hi
	I am currently busy with implementation of IPt network. HQ
with ccm 4-1-3sr3a, couple of branches with ISR routers as h323 voice
gateways with local breakout via ISDN - to pstn. All phones register
with central CCM server. In general working fine. I noticed something
I am not sure about,  the application logg on the call manager shows
error; not enogh MTP resources - add more MTP- transcoding resources.

	At HQ we use G711, branches use g711 and branch to HQ and HQ
to branch calls use G729. As far as I am concerned we are not using
any MTP - the eventviewer in 2K also shows no MTP being used - so not
sure why the application logg errors.


	No MOH in branches yet only unicast MOH at HQ

	Has anyone else seen this before. CCM4-1-3sr3a and OS2000-4-2


	Erik Erasmus



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