Call Answering Performance Counters for Unified Messaging
Microsoft Exchange Server 2007 will reach end of support on April 11, 2017. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.
Applies to: Exchange Server 2007, Exchange Server 2007 SP1, Exchange Server 2007 SP2, Exchange Server 2007 SP3
There are many performance counters that can be used to maintain and troubleshoot a computer that is running Microsoft Exchange Server 2007 that has the Unified Messaging (UM) server role installed. Unified Messaging performance counters are used to measure quantities of information or data for Unified Messaging and are based on the number, size, duration, and rate of data that is being requested or received.
Call Answering Performance Counters
Table 1 provides a list of the call answering performance counters that can be used to monitor Unified Messaging.
Table 1 Unified Messaging call answering performance counters
| Performance counter | Performance object | Description |
|---|---|---|
Average Greeting Size |
MSExchangeUMCallAnswering |
Average Greeting Size is the average size, in seconds, of recorded greetings that have been retrieved by the UM server. |
Average Recent Voice Message Size |
MSExchangeUMCallAnswering |
Average Recent Voice Message Size is the average size, in seconds, of the last 50 voice messages that have been left for subscribers. |
Average Voice Message Size |
MSExchangeUMCallAnswering |
Average Voice Message Size is the average size, in seconds, of voice messages left for subscribers. |
Call Answering Calls |
MSExchangeUMCallAnswering |
Call Answering Calls is the number of diverted calls that were answered on behalf of subscribers. |
Call Answering Escapes |
MSExchangeUMCallAnswering |
Call Answering Escapes is the number of times a caller pressed the * key to connect to another user instead of leaving a message. |
Call Answering Missed Calls |
MSExchangeUMCallAnswering |
Call Answering Missed Calls is the number of times a diverted call was dropped without a message being left. |
Call Answering Voice Messages |
MSExchangeUMCallAnswering |
Call Answering Voice Messages is the total number of messages that were submitted because the calls were answered on behalf of subscribers. |
Call Answering Voice Messages per Second |
MSExchangeUMCallAnswering |
Call Answering Voice Messages per Second is the number of messages that were submitted because the calls were answered on behalf of subscribers. |
Call Failed Because Transport Unavailable |
MSExchangeUMCallAnswering |
Call Failed Because Transport Unavailable is the number of calls that failed because the transport service is not available to submit the message. |
Calls Disconnected by Callers During UM Audio Hourglass |
MSExchangeUMCallAnswering |
Calls Disconnected by Callers During UM Audio Hourglass is the number of calls during which the caller disconnected while Unified Messaging was playing the audio hourglass tones. |
Calls Disconnected by UM on Irrecoverable External Error |
MSExchangeUMCallAnswering |
Calls Disconnected by UM on Irrecoverable External Error is the total number of calls that have been disconnected after an irrecoverable external error occurred. |
Calls Without Personal Greetings |
MSExchangeUMCallAnswering |
Calls Without Personal Greetings is the number of diverted calls received for subscribers that did not have recorded greeting messages. |
Diverted Extension Not Provisioned |
MSExchangeUMCallAnswering |
Diverted Extension Not Provisioned is the number of calls received for which the diverted extension supplied with the call is not a UM subscriber extension. |
Fetch Greeting Timed Out |
MSExchangeUMCallAnswering |
Fetch Greeting Timed Out is the number of diverted calls for which the subscriber’s personal greeting could not be retrieved within the time allowed. |
For More Information
For more information about performance objects and counters that are available for Unified Messaging, see Performance Counter Reference for Unified Messaging.
For more information about how to troubleshoot a Unified Messaging server, see Unified Messaging Server Issues.