diff options
Diffstat (limited to 'doc/hnb_cs_mo_call.msc')
| -rw-r--r-- | doc/hnb_cs_mo_call.msc | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/doc/hnb_cs_mo_call.msc b/doc/hnb_cs_mo_call.msc new file mode 100644 index 0000000..a9253c0 --- /dev/null +++ b/doc/hnb_cs_mo_call.msc @@ -0,0 +1,75 @@ +msc { + hscale = "3"; + ue,hnb,hnbgw,cn; + + ue box hnb [ label = "Radio Channel Establishment" ]; + ue => hnb [ label = "RRC (CM SERV REQ)" ] ; + hnb => hnbgw [ label = "RUA CONNECT (RANAP Initial UE Msg (CM SERV REQ))" ]; + hnbgw => cn [ label = "SCCP CR (RANAP Initial UE Msg (CM SERV REQ))" ]; + cn >> hnbgw [ label = "SCCP CC" ]; + + --- [ label = "Optional retrieval of IMSI (if not given in CM or retrived from VLR by TMSI)" ]; + cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY REQ))" ]; + hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY REQ))" ]; + hnb => ue [ label = "RRC (MM IDENTITY REQ)" ]; + ue >> hnb [ label = "RRC (MM IDENTITY RESP)" ]; + hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY RESP))" ]; + hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY RESP))" ]; + + --- [ label = "Mandatory activation of Integrity Protection" ]; + cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK))" ]; + hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK))" ]; + hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK))" ]; + hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK))" ]; + + cn => hnbgw [ label = "SCCP DT1 (RANAP CommonID)" ]; + hnbgw => hnb [ label = "RUA DT (RANAP CommonID)" ]; + + --- [ label = "Optional Authentication" ]; + cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH REQ))" ]; + hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM AUTH REQ))" ]; + hnb => ue [ label = "RRC (MM AUTH REQ)" ]; + ue >> hnb [ label = "RRC (MM AUTH RESP)" ]; + hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM AUTH RESP))" ]; + hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH RESP))" ]; + + --- [ label = "Optional activation of Encryption" ]; + cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK+CK))" ]; + hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK+CK))" ]; + hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK+CK))" ]; + hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK+CK))" ]; + + cn >> hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CM SERV ACC))" ]; + hnbgw >> hnb [ label = "RUA DT (RANAP DirectTransfer (CM SERV ACC))" ]; + hnb >> ue [ label = "RRC (CM SERV ACC)" ]; + + ue box ue [ label = "subscriber A dials a call" ]; + ue => hnb [ label = "RRC (CC SETUP)" ]; + hnb => hnbgw [ label = "RUA DT (RANAP DirectTransfer (CC SETUP))" ]; + hnbgw => cn [ label = "SCCP DT1 (RANAP DirectTransfer (CC SETUP))" ]; + + cn box cn [ label = "Signalling towards B subscriber via ISUP, SIP, ..." ]; + cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CC ALERTING))" ]; + hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (CC ALERTING))" ]; + hnb => ue [ label = "RC (CC ALERTING)" ]; + + --- [ label = "Assignment of Voice Channel" ]; + cn => hnbgw [ label = "SCCP DT1 (RANAP RAB Assign Cmd)" ]; + hnbgw => hnb [ label = "RUA DT (RANAP RAB Assign Cmd)" ]; + hnb >> hnbgw [ label = "RUA DT (RANAP RAB Assign Rsp)" ]; + hnbgw >> cn [ label = "SCCP DT1 (RANAP RAB Assign Rsp)" ]; + + cn box cn [ label = "subscriber B picks up the ringing call" ]; + cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CC CALL CONF))" ]; + hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (CC CALL CONF))" ]; + hnb => ue [ label = "RRC (CC CALL CONF)" ]; + + cn box ue [ label = "Voice channel open" ]; + + ue box ue [ label = "subscriber A hangs up" ]; + ue => hnb [ label = "RRC (CC DISCONNECT)" ]; + hnb => hnbgw [ label = "RUA DT (RANAP DirectTranfer (CC DISCONNECT))" ]; + hnbgw => cn [ label = "SCCP DT1 (RANAP DirectTranfer (CC DISCONNECT))" ]; + + cn box hnb [ label = "RAB Release or Iu Release" ]; +} |