3G UMTS Call Context Diagram PDF - EventHelix.com

Component Interfaces (Originating Call)
User Equipment UTRAN
UE RNC
MSC/VLR
RRC Security Mode Complete
DTAP MM Authentication Response
RANAP RAB -Assignment
SCTP SACK
SCCP Connection Confirm
DTAP MM CM Service Request
Uplink Direct Transfer [DTAP MM Authentication Response]
Downlink Direct Transfer [DTAP CC Alerting]
Initial UE Message [CM Service Request]
RRC Connection Complete
Radio Bearer Setup Complete
RRC Connection Request
Downlink Direct Transfer [DTAP MM Authentication Request]
DTAP CC Alerting
RRC Connection Setup
Downlink Direct Transfer [CM Service Accept]
RRC Security Mode Command
Radio Bearer Setup
Uplink Direct Transfer [DTAP CC Setup]
Downlink Direct Transfer[DTAP CC Call Proceeding]
SCTP SACK
DTAP MM Authentication Request
Security Mode Complete
DTAP MM CM Service Accept
RANAP CommonID
EventStudio System Designer 6
Core Network
RANAP RAB -Assignment
DTAP CC Call Proceeding
Security Mode Command
DTAP CC Setup
06-Oct-13 07:24 (Page 1)

Component Interfaces (Originating Call)
User Equipment UTRAN
UE RNC
MSC/VLR
RANAP Iu-Release
DTAP CC Release Complete
DTAP CC Disconnect
RRC Connection Release Complete
DTAP CC Connect Acknowledge
DTAP CC Connect
Uplink Direct Transfer [DTAP CC Disconnect]
Uplink Direct Transfer[DTAP CC Connect Acknowledge]
Downlink Direct Transfer[DTAP CC Connect]
Downlink Direct Transfer [DTAP CC Release Complete]
Conversation
RRC Co nection Release
Conversation
DTAP CC Release
RANAP Iu-Release
EventStudio System Designer 6
Core Network
SCCP Released
SCCP Release Complete
06-Oct-13 07:24 (Page 2)