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SCCPUDataRqst

Description

Sends a datagram to the destination specified in the calledPty parameter of the SCCPUDataRqst message.

Prototype

short SCCPUDataRqst (U8 board,
S16 spId,
SccpUdataRqst *dataRqst )
board The TX Series board number to which this request is directed.
spId The SCCP sap ID to which the caller is bound.
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_OVERRUNThe message generated by this request exceeds the maximum allowed size.

Details

Based on the service class requested and the size of the data field, the SCCP layer will generate either unitdata (UDT) or extended unitdata (XUDT) packet(s).
The maximum length of the data field included in the SccpUdataRqst structure is MAX_DATA_SZ bytes.

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