0x28

Received GSM

0x29

Received SAO/SAM

0x2A

Received FOT

0x2B

Received RAN

0x2C

Received CCL

0x2D

Received GRQ

0x2E

Received ACM

0x2F

Received Answer (ANC, ANN, ANU)

0x30

Received Call Unsuccessful after ACM (Congestion)

0x31

Received CBK

0x32

Remotely Maintenance Blocked

0x33

Remotely Hardware Blocked

0x34

Remotely Software Blocked

0x35

Remotely Maintenance Unblocked

0x36

Remotely Hardware Unblocked

0x37

Remotely Software Unblocked

0x38

Local Maintenance Block Request Successfully Completed

0x39

Local Maintenance Block Request Unsuccessful

0x3A

Local Maintenance Unblock Request Successfully Completed

0x3B

Local Maintenance Unblock Request Unsuccessful

0x3C

Local Software Block Request Successfully Completed

0x3D

Local Software Block Request Unsuccessful

0x3E

Local Software Unblock Request Successfully Completed

0x3F

Local Software Unblock Request Unsuccessful

0x40

Local Maintenance Blocking Cleared.

0x41

Local Software Blocking Cleared

0x43

ACC Received

0x44

Layer 5 Group Reset/Reset Request Successful

0x45

Layer 5 Group Reset/Reset Request Unsuccessful

0x64

TUP Protocol Violation

0x0191

Setup Indication (containing ICB data IAM/IAI)

0x0192

Channel Release with ICB data

0x0193

Reset Indication

0x0194

Loopback Indication

0x0195

Loopback Remove Indication

0x0196

Circuit INS Indication

0x0197

Clear Forward Indication

0x0198

Invalid ICB data message discarded

0x0199

Circuit OOS Indication

0x019A

Call unsuccessful indication with ICB data (CFL)

0x019B

RLG Indication

0x019C

Group Reset Indication

0x019D

Reset Complete Indication

0x019E

Clearback Receive Indication, CLF sent

0x019F

Virtual CIC channel status after Matrix Controller switchover

Outgoing Call Failure reasons are listed below as Event Indications 0x013B-0x0149. These occur before receiving a backward message (equivalent to outseize NACK).

0x013B

Outgoing Call rejected, channel blocked

0x0147

Outgoing Call rejected, invalid channel state or an error

indication from TUP

0x0148

Outgoing Call rejected, dual seizure

0x0149

Outgoing Call rejected, local circuit reset due to an

internal error