end acknowledgement PDU (ENDAK-PDU)
The End AcknowledgementPDU (ENDAK-PDU) is one of 16 protocol data units (PDU) of the Service Specific Connection Oriented Protocol ( SSCOP) in ATM networks. In ATM, the ENDAK PDU represents the Service Specific Convergence Sublayer ( SSCS), i.e. the service-specific convergence sublayer ( CS), of the AAL layer for signaling channels.