Call Signaling

Registration on CS Step 1 2 3 4

Direction UE SS <---> <--->

5 6 7 8 9 10 11 12 13

--> <---> <---> <---> <--->

Message SYSTEM INFORMATION (BCCH) RRC CONNECTION REQUEST (CCCH->RACH->PRACH) RRC CONNECTION SETUP (CCCH->FACH->SCCPCH) RRC CONNECTION SETUP COMPLETE (DCCH->DCH>DPDCH) LOCATION UPDATING REQUEST AUTHENTICATION REQUEST AUTHENTICATION RESPONSE SECURITY MODE COMMAND SECURITY MODE COMPLETE LOCATION UPDATING ACCEPT TMSI REALLOCATION COMPLETE RRC CONNECTION RELEASE RRC CONNECTION RELEASE COMPLETE

Comments NW Broadcast RRC RRC RRC MM MM MM RRC RRC MM MM RRC RRC

Registration on PS Step 1 2 3 4 5 6 7 8 9 10 11 12 13

Direction UE SS <---> <---> --> <---> <---> <---> <--->

Message SYSTEM INFORMATION (BCCH) RRC CONNECTION REQUEST (CCCH) RRC CONNECTION SETUP (CCCH) RRC CONNECTION SETUP COMPLETE (DCCH) ATTACH REQUEST AUTHENTICATION AND CIPHERING REQUEST AUTHENTICATION AND CIPHERING RESPONSE SECURITY MODE COMMAND SECURITY MODE COMPLETE ATTACH ACCEPT ATTACH COMPLETE RRC CONNECTION RELEASE RRC CONNECTION RELEASE COMPLETE

Comments NW Broadcast RRC RRC RRC GMM GMM GMM RRC RRC GMM GMM RRC RRC

Generic call set up procedure for mobile terminating circuit switched calls Step 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Direction UE SS <-<---> <---> --> <---> <---> <---> <---> --> --> <--

Message SYSTEM INFORMATION (BCCH) PAGING (PCCH->PCH->SCCPCH) RRC CONNECTION REQUEST (CCCH) RRC CONNECTION SETUP (CCCH) RRC CONNECTION SETUP COMPLETE (DCCH) PAGING RESPONSE AUTHENTICATION REQUEST AUTHENTICATION RESPONSE SECURITY MODE COMMAND SECURITY MODE COMPLETE SET UP CALL CONFIRMED RADIO BEARER SETUP RADIO BEARER SETUP COMPLETE ALERTING CONNECT CONNECT ACKNOWLEDGE

Comments Broadcast Paging RRC RRC RRC RR MM MM RRC RRC CC CC RRC RAB SETUP RRC CC (this message is optional) CC CC

Generic call set-up procedure for mobile originating circuit switched calls Step 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Direction UE SS <---> <---> --> <---> <---> --> <-<---> <-<--->

Message SYSTEM INFORMATION (BCCH) RRC CONNECTION REQUEST (CCCH) RRC CONNECTION SETUP (CCCH) RRC CONNECTION SETUP COMPLETE (DCCH) CM SERVICE REQUEST AUTHENTICATION REQUEST AUTHENTICATION RESPONSE SECURITY MODE COMMAND SECURITY MODE COMPLETE SET UP CALL PROCEEDING RADIO BEARER SETUP RADIO BEARER SETUP COMPLETE ALERTING CONNECT CONNECT ACKOWLEDGE

Comments Broadcast RRC RRC RRC MM MM MM RRC RRC CC CC RRC RAB SETUP RRC CC CC CC

Generic session set up procedure for mobile terminating packet switched Sessions Step 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Direction UE SS <-<---> <---> --> <---> <---> <---> <---> <--

Message SYSTEM INFORMATION (BCCH) PAGING TYPE1 (PCCH) RRC CONNECTION REQUEST (CCCH) RRC CONNECTION SETUP (CCCH) RRC CONNECTION SETUP COMPLETE (DCCH) SERVICE REQUEST AUTHENTICATION AND CIPHERING REQUEST AUTHENTICATION AND CIPHERING RESPONSE SECURITY MODE COMMAND SECURITY MODE COMPLETE REQUEST PDP CONTEXT ACTIVATION ACTIVATE PDP CONTEXT REQUEST RADIO BEARER SETUP RADIO BEARER SETUP COMPLETE ACTIVATE PDP CONTEXT ACCEPT

Comments Broadcast Paging RRC RRC RRC GMM GMM GMM RRC RRC SM SM RRC RAB SETUP RRC SM

Generic session set up procedure for mobile originating packet switched sessions Step 1 2 3 4 5 6 7 8 9 10 11 12 13

Direction UE SS <---> <---> --> <---> <---> --> <---> <--

Message SYSTEM INFORMATION (BCCH) RRC CONNECTION REQUEST (CCCH) RRC CONNECTION SETUP (CCCH) RRC CONNECTION SETUP COMPLETE (DCCH) SERVICE REQUEST AUTHENTICATION AND CIPHERING REQUEST AUTHENTICATION AND CIPHERING RESPONSE SECURITY MODE COMMAND SECURITY MODE COMPLETE ACTIVATE PDP CONTEXT REQUEST RADIO BEARER SETUP RADIO BEARER SETUP COMPLETE ACTIVATE PDP CONTEXT ACCEPT

Comments Broadcast RRC RRC RRC GMM GMM GMM RRC RRC SM RRC RAB SETUP RRC SM