0x01

Incoming Continuity Check successful

0x02

Incoming Continuity Check failure

0x03

Failure to receive FIU in response to call unsuccessful ECH

0x04

Stop ECH repeat after timeout

0x05

Stop FIU repeat after timeout

0x06

Continuity in incoming MIF

0x07

Outgoing continuity success

0x08

Outgoing continuity failure