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SCCPDataRqst

Description

Sends user data associated with an established connection to the far endpoint.

Prototype

short SCCPDataRqst (U8 board,
SccpConnId *connId,
SccpDataRqst *dataRqst )
board The TX Series board number to which this request is directed.
connId The connection ID identifying the SAP and connection instance to which this request belongs.
dataRqst Pointer to the caller's data request message structure containing all parameters and user data to be included in the message to the far endpoint.

Return Values

SCCP_SUCCESS
SCCP_UNINITThe board number specified was not used in a successful call to SCCPInitAPI.
SCCP_INVALIDThe specified board does not exist or has not been configured in the system.
SCCP_OVERRUN
The message generated by this request exceeds the maximum allowed size.
SCCP_DRIVER
An error occurred accessing the CPI driver. See the CPI error section for information on determining the cause of the error.

Details

Based on the service class in use on the specified connection, the SCCP layer will generate either data form 1 (DT1) or data form 2 (DT2) packet(s), including any necessary segmentation.
The maximum length of the data field included in the SccpDataRqst structure is MAX_DATA_SZ bytes. The SCCP layer will perform any necessary segmentation based on the maximum allowable packet size for the chosen network SAP.

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