Specifies a protocol class in connection request or confirm messages or in connectionless unitdata/extended unitdata messages.
typedef struct sccpProtoClass
{
U8 classInd; /* class indicator */
U8 msgHandling; /* message handling indicator */
U8 spare1; /* spare for alignment */
} SccpProtoClass;
The fields in the SccpProtoClass structure are encoded as follows:
Field |
Value |
classInd |
0x00 = SCCP_CLASS0 0-basic connectionless 0x01 = SCCP_CLASS1 1-sequenced connectionless 0x02 = SCCP_CLASS2 2-basic connection-oriented 0x03 = SCCP_CLASS3 3-connection-oriented w/flow |
msgHandling |
0x00 = MSG_DISCARD Discard message on error 0x08 = MSG_RETURN Return message on error |