0D

SETUP ACKNOWLEDGE

0F

CONNECT ACKNOWLEDGE

01

ALERTING

02

CALL PROCEEDING

03

PROGRESS

05

SETUP

07

CONNECT

4D

RELEASE

4E

RESTART ACKNOWLEDGE

5A

RELEASE COMPLETE

6A

FACILITY ACKNOWLEDGE

6E

NOTIFY

7B

INFORMATION

7D

STATUS

20

USER INFORMATION

45

DISCONNECT

46

RESTART

62

FACILITY

72

FACILITY REJECT

75

STATUS ENQUIRY

79

CONGESTION CONTROL

Maintenance message

0F

SERVICE

07

SERVICE ACKNOWLEDGE