[cisco-voip] MTP Resources and CIPC
Ryan Ratliff
rratliff at cisco.com
Thu Mar 3 15:43:28 EST 2005
Sounds like your IPC had the check box selected to optimize for low
bandwidth calls. This forces IPC to use g.729. If CM sees this and
sets up a call between the IPC and a device that can only do g.711 it
will try to invoke a transcoder. If none is available then both
parties get reorder.
-Ryan
On Mar 3, 2005, at 1:51 PM, Court Schuett wrote:
Hello,
We rebooted our ICS the other day and it seems to be having some
troubles.
We have people who VPN in and use their IP Communicator’s to place and
receive calls. The problem is that, since the reboot, inbound calls
from the outside cannot be answered by people with IP Communicators.
Inbound calls from within our network are just fine. Outbound calls to
either our network or out the PRI work fine as well. However, whenever
a call comes in from the outside and a person with an IP Communicator
tries to answer it, both parties get a fast busy signal. In the Event
Viewer on the CCM, there is this error:
Error: MtpNoMoreResourcesAvailble – No more MTP resources available.
App ID: Cisco CallManager
Cluster ID: HPRLMCM1-Cluster
Node ID: 192.168.200.3
Explanation: MTP resource is not available.
Recommended Action: Install additional MTP or transcoder resources.
That error shows up twice for each call attempted. I try restarting
the MTP in the Call Manager, and it looks like it worked. I see the
event in the Event Viewer, but it doesn’t seem to have fixed anything.
Everything was working before the reboot, and nothing should have
changed on the reboot to affect it like this. Any ideas?
Thanks in advance.
Court Schuett
cschuett at hprlogistics.com
630-909-5560
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