Lync CCCP Test

Centralized Conference Control Protocol (C3P or CCCP) is used by protocol clients, front-end servers, and conferencing servers to establish and maintain the state of a conference. This test enables administrators to identify the number of CCCP messages in the send queue, the number of add user and add conference responses that failed, the messages received in the ImMCU and MCU.

Target of the test : A Microsoft Skype for Business server

Agent deploying the test : An internal/remote agent

Outputs of the test : One set of results for the target Microsoft Skype for Business server that is to be monitored.

Configurable parameters for the test
Parameters Description

Test Period

How often should the test be executed.

Host

The host for which the test is to be configured.

Port

The port at which the specified host listens. The default port is 5060.

Measurements made by the test
Measurement Description Measurement Unit Interpretation

Retried CCCP message rate

Indicates the rate at which the CCCP messages are retried.

Retries/sec

 

Messages currently in the send queue

Indicates the total number of CCCP messages that are currently in the send queue.

Number

 

Add-conference failed responses

Indicates the total number of add conference responses that failed.

Number

A low value is desired for this measure. A gradual/sudden increase in the value of this measure indicates connectivity issues.

Add-user failed responses

Indicates the total number of addUser responses that failed.

Number

 

Audio/Video CCCP message received

Indicates the number of Audio/Video MCU messages received during the last measurement period.

Number

 

Message received in MCUF

Indicates the number of MCUF CCCP messages received during the last measurement period.

Number

 

Message received in IMMCU

Indicates the number of CCCP messages received in the Skype for Business Instant Messaging Conference Unit (ImMcu) during the last measurement period.

Number

 

Add-conference failed responses in IMMCU

Indicates the number of addConference responses that failed in the Skype for Business Instant Messaging Conference Unit (ImMcu).

Number

A low value is desired for this measure.