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Tim Schroeder
Enthusiast

How can you tell if an MTP was included in a call?

Is there an easy way to tell whether an MTP is being inserted into a call? Perhaps something in the CDR? Will the destination IP address be shown as CUCM, or the IP address of the actual device called?

I'm using CUCM 10.5

Thanks, Tim

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Accepted Solutions
Dennis Mink
Advisor

The other thing you can do (if its a phone) is, find out what MTP resource 'could' be invoked, based on the device's Media Resource group, get the IP address of the resource and make a note of it.  

Make a call to the phone in question, go to the IP address of the phone and click on "stream1", keeping the call open, check what remote IP address the call is goung to.....if it uses MTP it should show the IP address f the relevant MTP resource.

Please remember to rate useful posts, by clicking on the stars below.

View solution in original post

5 REPLIES 5
Venkatesh Perumal
Rising star

Hi Tim,

i think you have to read the ccm traces to know if the MTP was invoked in a particular call or not. apart from that if you want to know about the MTP resoursces that are currently involed/used in a call then you can chek if from the RTMT tool.

RTMT-->System-->Performance-->Select Server-->Cisco MTP Device. 

Below is the defination for the same:

Cisco MTP Device

The Cisco Media Termination Point (MTP) Device object provides information about registered Cisco MTP devices. Table 5-27 contains information on Cisco MTP device counters.

Counters
Counter Description

OutOfResources

This counter represents the total number of times that an attempt was made to allocate an MTP resource from an MTP device and failed; for example, because all resources were already in use.

ResourceActive

This counter represents the number of MTP resources that are currently in use (active) for an MTP device.

Each MTP resource uses two streams. An MTP in use represents one MTP resource that has been allocated for use in a call.

ResourceAvailable

This counter represents the total number of MTP resources that are not active and are still available to be used now for an MTP device.

Each MTP resource uses two streams. An MTP in use represents one MTP resource that has been allocated for use in a call.


ResourceTotal


This counter represents the total number of MTP resources that an MTP device provides. This counter equals the sum of the counters ResourceAvailable and ResourceActive.

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/service/10_0_1/rtmt/CUCM_BK_CA30A928_00_cisco-unified-rtmt-administration-100/CUCM_BK_CA30A928_00_cisco-unified-rtmt-administration-100_appendix_01001.html#CUCM_RF_CAAC24C0_00

regards,

-Do rate helpful posts.

Thanks, but reading traces is not exactly "easy" -- or maybe I'm just lazy ;)

RTMT is a good idea, as long as the MTP is not usually in use. If it's in use then the numbers are moving too much for this to be of value.

Dennis Mink
Advisor

The other thing you can do (if its a phone) is, find out what MTP resource 'could' be invoked, based on the device's Media Resource group, get the IP address of the resource and make a note of it.  

Make a call to the phone in question, go to the IP address of the phone and click on "stream1", keeping the call open, check what remote IP address the call is goung to.....if it uses MTP it should show the IP address f the relevant MTP resource.

Please remember to rate useful posts, by clicking on the stars below.

View solution in original post

adding to what dennis said you can also verify the MTP resource's ip address from the Gateway by issuing the command "show voip rtp connections detail"

regards,

-Do rate helpful posts.

Manish Gogna
Cisco Employee

Hi Tim,

If it is an IOS MTP ( configured on the gateway ) then you can use the following command to check the MTP usage in real time

show sccp connection

The above command shows the transcoder and hardware conference bridge usage as well.

Manish

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