ISUP SPRC PPL Event Indications (ANSI)

Event ID | Event
--- | ---
0x01 | Format error in incoming message (NOTE: The PPL Event Indication will have a AIB of stack)
0x02 | Unequipped CIC in incoming message (NOTE: The PPL Event Indication has an AIB of stack unless the incoming DPC is not configured. In that case, a Channel AIB with data of 0xFF FF FF is used.)
0x03 | Undefined message received (NOTE: The PPL Event Indication will have a AIB of stack)
0x04 | Confusion Message received (NOTE: The PPL Event Indication will have a AIB of span/channel)

See Programmable Protocol Language.
See Address Information Block.
See Circuit Identification Codes.
A condition that, when met, drives a state machine from one state to another. A condition that drives a Component out of its current state by invoking an associated primitive.
Destination Point Code