LINE_SENDMSPDATA message
The TSPI LINE_SENDMSPDATA message is sent when the telephony service provider (TSP) wants to pass information to the media service provider (MSP).
Parameters
-
htLine
-
The TAPI handle for the line.
-
htCall
-
The TAPI handle for the call.
-
dwMsg
-
The value LINE_SENDMSPDATA.
-
dwParam1
-
Identifies the MSP that should receive the message. If 0, the message will be sent to all MSPs. This is the handle that is passed to the TSPI_LineCreateMSPInstance function.
-
dwParam2
-
The buffer to pass to the MSP. The buffer is not interpreted by TAPI.
-
dwParam3
-
The size, in bytes, of the buffer in dwParam2.
Remarks
The service provider must negotiate a TAPI version 3.0 or later for this message to operate.
Requirements
| Requirement | Value |
|---|---|
| TAPI version |
Requires TAPI 2.2 |
| Header |
|