3G/UMTS-TDSCDMA

 

 

 

 

Protocol Sequence - Packet Call (Three PDP)

 

    (1) UE <--> NW : Registration (Combined or Non-Combined)

    (2) UE <--> NW : < IDLE >

    (3) UE  : < Make a MO Packet Call >

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

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

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

    (7) UE --> NW : GMM SERVICE REQUEST

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

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

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

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

    (12) UE --> NW : ACTIVATE PDP CONTEXT REQUEST (1st PDP)

    (13) UE <-- NW : RADIO BEARER SETUP (Single Data Flow)

    (14) UE --> NW : RADIO BEARER SETUP COMPLETE

    (15) UE <-- NW : ACTIVATE PDP CONTEXT ACCEPT

    (16) UE : < Make another Packet Call triggering 2nd PDP >

    (17) UE <-- NW : ACTIVATE PDP CONTEXT REQUEST (2nd PDP)

    (18) UE <-- NW : RADIO BEARER SETUP (Two Data Flow)

    (19) UE <-- NW : RADIO BEARER SETUP COMPLETE

    (20) UE <-- NW : ACTIVATE PDP CONTEXT ACCEPT

    (21) UE : < Make another Packet Call triggering 3rd PDP >

    (22) UE <-- NW : ACTIVATE PDP CONTEXT REQUEST (3rd PDP)

    (23) UE <-- NW : RADIO BEARER SETUP (Three Data Flow)

    (24) UE <-- NW : RADIO BEARER SETUP COMPLETE

    (25) UE <-- NW : ACTIVATE PDP CONTEXT ACCEPT