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 ue [ label = "subscriber A sends text message" ]; |
| 6 | |
| 7 | ue box hnb [ label = "Radio Channel Establishment" ]; |
| 8 | ue => hnb [ label = "RRC (CM SERV REQ)" ] ; |
| 9 | hnb => hnbgw [ label = "RUA CONNECT (RANAP Initial UE Msg (CM SERV REQ))" ]; |
| 10 | hnbgw => cn [ label = "SCCP CR (RANAP Initial UE Msg (CM SERV REQ))" ]; |
| 11 | cn >> hnbgw [ label = "SCCP CC" ]; |
| 12 | |
| 13 | --- [ label = "Optional retrieval of IMSI (if not given in CM or retrived from VLR by TMSI)" ]; |
| 14 | cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY REQ))" ]; |
| 15 | hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY REQ))" ]; |
| 16 | hnb => ue [ label = "RRC (MM IDENTITY REQ)" ]; |
| 17 | ue >> hnb [ label = "RRC (MM IDENTITY RESP)" ]; |
| 18 | hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM IDENTITY RESP))" ]; |
| 19 | hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM IDENTITY RESP))" ]; |
| 20 | |
| 21 | --- [ label = "Mandatory activation of Integrity Protection" ]; |
| 22 | cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK))" ]; |
| 23 | hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK))" ]; |
| 24 | hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK))" ]; |
| 25 | hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK))" ]; |
| 26 | |
| 27 | cn => hnbgw [ label = "SCCP DT1 (RANAP CommonID)" ]; |
| 28 | hnbgw => hnb [ label = "RUA DT (RANAP CommonID)" ]; |
| 29 | |
| 30 | --- [ label = "Optional Authentication" ]; |
| 31 | cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH REQ))" ]; |
| 32 | hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (MM AUTH REQ))" ]; |
| 33 | hnb => ue [ label = "RRC (MM AUTH REQ)" ]; |
| 34 | ue >> hnb [ label = "RRC (MM AUTH RESP)" ]; |
| 35 | hnb >> hnbgw [ label = "RUA DT (RANAP DirectTransfer (MM AUTH RESP))" ]; |
| 36 | hnbgw >> cn [ label = "SCCP DT1 (RANAP DirectTransfer (MM AUTH RESP))" ]; |
| 37 | |
| 38 | --- [ label = "Optional activation of Encryption" ]; |
| 39 | cn => hnbgw [ label = "SCCP DT1 (RANAP SecurityModeCommand (IK+CK))" ]; |
| 40 | hnbgw => hnb [ label = "RUA DT (RANAP SecurityModeCommand (IK+CK))" ]; |
| 41 | hnb >> hnbgw [ label = "RUA DT (RANAP SecurityModeResponse (IK+CK))" ]; |
| 42 | hnbgw >> cn [ label = "SCCP DT1 (RANAP SecurityModeResponse (IK+CK))" ]; |
| 43 | |
| 44 | cn >> hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CM SERV ACC))" ]; |
| 45 | hnbgw >> hnb [ label = "RUA DT (RANAP DirectTransfer (CM SERV ACC))" ]; |
| 46 | hnb >> ue [ label = "RRC (CM SERV ACC)" ]; |
| 47 | |
| 48 | ue => hnb [ label = "RRC (CP-DATA (RP-DATA (SMS SUBMIT)))" ]; |
| 49 | hnb => hnbgw [ label = "RUA DT (RANAP DirectTransfer (CP-DATA (RP-DATA (SMS-SUBMIT))))" ]; |
| 50 | hnbgw => cn [ label = "SCCP DT1 (RANAP DirectTransfer (CP-DATA (RP-DATA (SMS-SUBMIT))))" ]; |
| 51 | |
| 52 | cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CP-ACK)" ]; |
| 53 | hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (CP-ACK)" ]; |
| 54 | hnb => ue [ label = "RRC (CP-ACK)" ]; |
| 55 | |
| 56 | cn box cn [ label = "MAP MO Forward SM to IWMSC / SMSC" ]; |
| 57 | |
| 58 | cn => hnbgw [ label = "SCCP DT1 (RANAP DirectTransfer (CP-DATA (RP-ACK)" ]; |
| 59 | hnbgw => hnb [ label = "RUA DT (RANAP DirectTransfer (CP-DATA (RP-ACK)" ]; |
| 60 | hnb => ue [ label = "RRC (CP-DATA (RP-ACK)" ]; |
| 61 | |
| 62 | ue => hnb [ label = "RRC (CP-ACK)" ]; |
| 63 | hnb => hnbgw [ label = "RUA DT (RANAP DirectTransfer (CP-ACK))" ]; |
| 64 | hnbgw => cn [ label = "SCCP DT1 (RANAP DirectTransfer (CP-ACK))" ]; |
| 65 | |
| 66 | cn box hnb [ label = "RAB Release or Iu Release" ]; |
| 67 | } |