Telephony Object

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

The Telephony performance object provides counters for monitoring telephone-communication activity on a computer that is running a Windows Server 2003 family operating system.

Counter Name	Description	Counter Type
Active Lines	Shows the number of telephone or integrated services digital network (ISDN) lines that were serviced by the computer and that were in use by applications during the sample period.	PERF_COUNTER_RAWCOUNT
Active Telephones	Shows the number of telephone devices (telephones or speaker phones) that were in use by applications during the sample period.	PERF_COUNTER_RAWCOUNT
Client Apps	Shows the number of applications that that were using telephony services.	PERF_COUNTER_RAWCOUNT
Current Incoming Calls	Shows the number of incoming calls that that were being serviced by the computer during the sample period.	PERF_COUNTER_RAWCOUNT
Current Outgoing Calls	Shows the number of outgoing calls that that were being serviced by the computer during the sample period.	PERF_COUNTER_RAWCOUNT
Incoming Calls/sec	Shows the rate, in incidents per second, at which incoming calls were answered by this computer.	PERF_COUNTER_COUNTER
Lines	Shows the number of telephone lines that were serviced by the computer.	PERF_COUNTER_RAWCOUNT
Outgoing Calls/sec	Shows the rate, in incidents per second, at which outgoing calls were made by the computer.	PERF_COUNTER_COUNTER
Telephone Devices	Shows the number of telephone devices (telephones or speaker phones) that were serviced by the computer.	PERF_COUNTER_RAWCOUNT