| Harald Welte | 09806e7 | 2015-12-31 12:49:02 +0100 | [diff] [blame] | 1 | msc { |
| 2 | hscale = "3"; |
| 3 | ue,hnb,hnbgw,cn; |
| 4 | |
| 5 | ue box hnb [ label = "Radio Channel Establishment" ]; |
| 6 | ue => hnb [ label = "RRC (GMM IMSI ATTACH REQ)" ] ; |
| 7 | hnb => hnbgw [ label = "RUA CONNECT (RANAP Initial UE Msg (GMM IMSI ATTACH REQ))" ]; |
| 8 | hnbgw => cn [ label = "SCCP CR (RANAP Initial UE Msg (GMM IMSI ATTACH REQ))" ]; |
| 9 | cn >> hnbgw [ label = "SCCP CC" ]; |
| 10 | |
| 11 | --- [ label = "Optional retrieval of IMSI (if not given in LU or retrived from VLR by TMSI)" ]; |
| 12 | cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (GMM IDENTITY REQ))" ]; |
| 13 | hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (GMM IDENTITY REQ))" ]; |
| 14 | hnb => ue [ label = "RRC (GMM IDENTITY REQ)" ]; |
| 15 | ue >> hnb [ label = "RRC (GMM IDENTITY RESP)" ]; |
| 16 | hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (GMM IDENTITY RESP))" ]; |
| 17 | hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (GMM IDENTITY RESP))" ]; |
| 18 | |
| 19 | --- [ label = "Mandatory activation of Integrity Protection" ]; |
| 20 | cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK))" ]; |
| 21 | hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK))" ]; |
| 22 | hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK))" ]; |
| 23 | hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK))" ]; |
| 24 | |
| 25 | cn => hnbgw [ label = "SCCP DT1 (RANAP CommonID)" ]; |
| 26 | hnbgw => hnb [ label = "RUA DT (RANAP CommonID)" ]; |
| 27 | |
| 28 | --- [ label = "Optional Authentication" ]; |
| 29 | cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (GMM AUTH REQ))" ]; |
| 30 | hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (GMM AUTH REQ))" ]; |
| 31 | hnb => ue [ label = "RRC (GMM AUTH REQ)" ]; |
| 32 | ue >> hnb [ label = "RRC (GMM AUTH RESP)" ]; |
| 33 | hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (GMM AUTH RESP))" ]; |
| 34 | hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (GMM AUTH RESP))" ]; |
| 35 | |
| 36 | --- [ label = "Optional activation of Encryption" ]; |
| 37 | cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK+CK))" ]; |
| 38 | hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK+CK))" ]; |
| 39 | hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK+CK))" ]; |
| 40 | hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK+CK))" ]; |
| 41 | |
| 42 | cn >> hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (GMM IMSI ATTACH ACC))" ]; |
| 43 | hnbgw >> hnb [ label = "RUA DT (RANAP DirectTransfer (GMM IMSI ATTACH ACC))" ]; |
| 44 | hnb >> ue [ label = "RRC (GMM IMSI ATTACH ACC)" ]; |
| 45 | } |