Protocol Sequence - Attach - None Combined

(1) UE <-- NW : SYSTEM INFORMATION

(2) UE --> NW : RRC CONNECTION REQUEST

(3) UE <-- NW : RRC CONNECTION SETUP

(4) UE --> NW : RRC CONNECTION SETUP COMPLETE

(5) UE --> NW : LOCATION UPDATING REQUEST

(6) UE <-- NW : AUTHENTICATION REQUEST

(7) UE --> NW : AUTHENTICATION RESPONSE

(8) UE <-- NW : SECURITY MODE COMMAND

(9) UE --> NW : SECURITY MODE COMPLETE

(10) UE <-- NW : LOCATION UPDATING ACCEPT

(11) UE <-- NW : TMSI REALLOCATION COMPLETE

(12) UE --> NW : ATTACH REQUEST

(13) UE <-- NW : AUTHENTICATION AND CIPHERING REQUEST

(14) UE --> NW : AUTHENTICATION AND CIPHERING RESPONSE

(15) UE <-- NW : SECURITY MODE COMMAND

(16) UE --> NW : SECURITY MODE COMPLETE

(17) UE <-- NW : ATTACH ACCEPT

(18) UE --> NW : ATTACH COMPLETE

(19) UE <-- NW : RRC CONNECTION RELEASE

(20) UE --> NW : RRC CONNECTION RELEASE COMPLETE