TAPI Messages

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Windows Embedded CE 6.0 R3

4/8/2010

The following table shows the TAPI messages with a description of the purpose of each.

Programming element	Description
LINE_ADDRESSSTATE (TAPI)	This message is sent when the status of an address changes on a line that is currently open by the application.
LINE_APPNEWCALL	This message is sent to inform an application when a new call handle has been spontaneously created on its behalf other than through an API call from the application.
LINE_CALLINFO (TAPI)	This message is sent when the call information about the specified call has changed.
LINE_CALLSTATE (TAPI)	This message is sent when the status of the specified call has changed.
LINE_CLOSE (TAPI)	This message is sent when the specified line device has been forcibly closed.
LINE_CREATE (TAPI)	This message is sent to inform the application of the creation of a new line device.
LINE_DEVSPECIFIC (TAPI)	This message is sent to notify the application about device-specific events occurring a line, address or call.
LINE_GATHERDIGITS	This message is sent when the current buffered digit-gathering request has terminated or is canceled.
LINE_GENERATE (TAPI)	This message is sent to notify the application that the current digit or tone generation has terminated.
LINE_LINEDEVSTATE (TAPI)	This message is sent when the state of a line device has changed.
LINE_MONITORDIGITS (TAPI)	This message is sent when a digit is detected.
LINE_MONITORMEDIA (TAPI)	This message is sent when a change in the call's media type is detected.
LINE_REMOVE (TAPI)	This message is sent to inform an application of the removal, or deletion from the system, of a line device.
LINE_REPLY	This message is sent to report the results of function calls that completed asynchronously.
PHONE_BUTTON (TAPI)	This message is sent to notify the application that button press monitoring is enabled if it has detected a button press on the local phone.
PHONE_CLOSE (TAPI)	This message is sent when an open phone device has been forcibly closed as part of resource reclamation.
PHONE_CREATE (TAPI)	This message is sent to inform applications of the creation of a new phone device.
PHONE_DEVSPECIFIC (TAPI)	This message is sent by TAPI to an application to notify the application about device-specific events occurring at the phone.
PHONE_REMOVE (TAPI)	This message is sent to inform an application of the removal (deletion from the system) of a phone device.
PHONE_REPLY	This message is sent to an application to report the results of function call that completed asynchronously.
PHONE_STATE (TAPI)	This message is sent by TAPI to an application whenever the status of a phone device changes.