0x50

L4 Call Request

0x51

L4 Alerting Request

0x52

L4 Connect Request

0x53

L4 Internal Connect Request

0x54

L4 Clear Request

0x55

L4 Inseize Control

0x56

L4 Outseize Control

0x57

L4 Purge

0x64

L3 SETUP Indication

0x65

L3 INFORMATION Indication

0x66

L3 CALL PROCEEDING Indication

0x67

L3 ALERTING Indication

0x68

L3 PROGRESS Indication

0x69

L3 CONNECT Indication

0x6A

L3 USER INFORMATION Indication

0x6B

L3 DISCONNECT Indication

0x6C

L3 Clear Indication

0x6D

L3 Error Indication

0x6E

L3 FACILITY Indication

0x6F

L3 FACILITY ACK Indication

0x70

L3 FACILITY REJ Indication

0x71

L3 Facility Req Ack Indication

0x72

L3 NOTIFY Indication

0x79

L3 REGISTER Indication

0x7A

L3 MORE INFO Indication

0x7B

L3 RELEASE Indication

0x96

L3_GEN_EVENT_IND_0

0x97

L3_GEN_EVENT_IND_1

0x98

L3_GEN_EVENT_IND_2

0x99

L3_GEN_EVENT_IND_3

0x9A

L3_GEN_EVENT_IND_4

0x9B

L3_GEN_EVENT_IND_5

0x9C

L3_GEN_EVENT_IND_6

0x9D

L3_GEN_EVENT_IND_7

0x9E

L3_GEN_EVENT_IND_8

0x9F

L3_GEN_EVENT_IND_9