# dtmStopTrunkMonitor

Stops monitoring a specified trunk.

#### Prototype

DWORD dtmStopTrunkMonitor ( DTMHD dtmhd)

Argument | Description
dtmhd | Handle to the trunk monitor object.

#### Return values

Return value | Description
SUCCESS |
CTAERR_INVALID_HANDLE | dtmhd is not a valid monitor handle.
CTAERR_SVR_COMM | Communication error in server environment.

#### Events

Event | Description
DTMEVN_MONITOR_DONE | Monitoring ended. The size field contains a board number in the high word and a trunk number in the low word. The objHd field of this event contains the dtmhd. The value field of the event contains either an error code or the following reason: CTA_REASON_STOPPED Monitoring was stopped by dtmStopTrunkMonitor.

#### Details

dtmStopTrunkMonitor terminates monitoring of the board and trunk implied by the specified dtmhd. After DTMEVN_MONITOR_DONE is received, the dtmhd is no longer valid.

#### See also

dtmStartTrunkMonitor