0x28

Received IFG

0x29

Received MSA/MSS

0x2B

Received NRP

0x2D

Received DEG

0x2E

Received ACF

0x2F

Received RIU

0x30

Received call unsuccessful

0x31

Received RAU

0x32

Outgoing (Remote) maintenance block indication

0x35

Outgoing (Remote) maintenance unblock indication

0x38

Incoming (Local) maintenance block request successfully completed

0x39

Incoming (Local) maintenance block request unsuccessful

0x3A

Incoming (Local) maintenance unblock request successfully completed

0x3B

Incoming (Local) maintenance unblock request unsuccessful

0x40

Incoming (Local) maintenance blocking clear indication

0x44

L5 reset/ group reset successful

0x45

L5 reset/ group reset unsuccessful

0x64

TUP protocol violation

0x65

Resources not available for continuity check

0x0259

Received end to end message MUU/MCE

0x025A

Received CHT

0x025B

Received ITX

0x025C

Received TAX

0x025D

Received TXA

0x025E

System error block request successfully completed

0x025F

System error block request unsuccessful

0x0260

System error unblock request successfully completed

0x0261

System error unblock request unsuccessful

0x0262

Outgoing block unsuccessful (Already blocked)

0x0263

Outgoing unblock unsuccessful (Not blocked)

0x0264

BLOF operation unsuccessful

0x0265

BLOF clear unsuccessful