5 Examples of structured procedures
3GPP44.057CTS supervising system layer 3 specificationGSM Cordless Telephony System (CTS), Phase 1Release 17TS
Clause 5 is informative.
5.1 CTS-FP Initialisation
The CTS-FP initialisation procedure is always initiated by the fixed part.
Fixed Part Service Node
+── ──+
| | CTS-FP/CTS-SN connection
+── ──+
+── ──+
| CTS-SPM INITIALISATION REQUEST |
| ───────────────────────────────────────> | Service request
| |
+── ──+
+── ──+
| CTS-SPM FP AUTHENTICATION REQUEST | FP
| <─────────────────────────────────────── | authentication
| CTS-SPM FP AUTHENTICATION RESPONSE |
| ───────────────────────────────────────> |
+── ──+
+── ──+
| CTS-SPM INITIALISATION ACCEPT |
| <─────────────────────────────────────── |
+── ──+
+── ──+
| CTS-SPM SN SIGNING MODE COMMAND |
| <─────────────────────────────────────── | Signature mode setting
+── ──+
+── ──+
| CTS-SPM OPERATION DATA REQUEST |
| ───────────────────────────────────────> | Data transmission
| CTS-SPM OPERATION DATA DELIVER |
| <─────────────────────────────────────── |
+── ──+
+── ──+
| CTS-SPM INITIALISATION COMPLETE |
| ───────────────────────────────────────> |
+── ──+
Figure 5.1/GSM 04.xx: CTS-FP initialisation
5.2 CTS-SPM Enrolment
The CTS-SPM enrolment procedure is always initiated by the fixed part following an initiation by the mobile station.
Fixed Part Service Node
+── ──+
| | CTS-FP/CTS-SN connection
+── ──+
+── ──+
| CTS-SPM ENROLMENT REQUEST
| ───────────────────────────────────────> | Service request
| |
+── ──+
+── ──+
| CTS-SPM FP AUTHENTICATION REQUEST | FP
| <─────────────────────────────────────── | authentication
| CTS-SPM FP AUTHENTICATION RESPONSE |
| ───────────────────────────────────────> |
+── ──+
+── ──+
| CTS-SPM MS AUTHENTICATION REQUEST | MS
| <─────────────────────────────────────── | authentication
| CTS-SPM MS AUTHENTICATION RESPONSE |
| ───────────────────────────────────────> |
+── ──+
+── ──+
| CTS-SPM ENROLMENT ACCEPT |
| <─────────────────────────────────────── |
+── ──+
Figure 5.2/GSM 04.xx: CTS-SPM Enrolment
5.3 Operation data update
The operation data update procedure is always initiated by the fixed part.
Fixed Part Service Node
+── ──+
| | CTS-FP/CTS-SN connection
+── ──+
+── ──+
| CTS-SPM OPERATION DATA REQUEST |
| ───────────────────────────────────────> | Service request
+── ──+
+── ──+
| CTS-SPM FP AUTHENTICATION REQUEST | FP
| <─────────────────────────────────────── | authentication
| CTS-SPM FP AUTHENTICATION RESPONSE |
| ───────────────────────────────────────> |
+── ──+
+── ──+
| CTS-SPM SN SIGNING MODE COMMAND |
| <─────────────────────────────────────── | Signature mode setting
+── ──+
+── ──+
| CTS-SPM OPERATION DATA DELIVER |
| <─────────────────────────────────────── |
+── ──+
+── ──+
| CTS-SPM OPERATION DATA ACCEPT |
| ───────────────────────────────────────> |
+── ──+
Figure 5.3/GSM 04.xx: CTS operation data update
5.4 Information request
The information request procedure is always initiated by the service node (the CTS-FP/CTS-SN connection is initiated by the fixed part).
Fixed Part Service Node
+── ──+
| | CTS-FP/CTS-SN connection
+── ──+
+── ──+
| | Other procedure
+── ──+
+── ──+
| CTS-SPM INFORMATION DATA REQUEST |
| <─────────────────────────────────────── | Information transmission
| CTS-SPM INFORMATION DATA RESPONSE |
| ───────────────────────────────────────> |
+── ──+
Figure 5.4/GSM 04.xx: Information request procedure
5.5 CTS-FP De-initialisation
The CTS-FP de-initialisation procedure is always initiated by the service node (the CTS-FP/CTS-SN connection is initiated by the fixed part).
Fixed Part Service Node
+── ──+
| | CTS-FP/CTS-SN connection
+── ──+
+── ──+
| | Other procedure
+── ──+
+── ──+
| CTS-SPM DE-INITIALISATION REQUEST |
| <─────────────────────────────────────── |
| CTS-SPM DE-INITIALISATION COMPLETE |
| ───────────────────────────────────────> |
+── ──+
Figure 5.5/GSM 04.xx: CTS-FP De-initialisation procedure
5.6 CTS-SPM De-enrolment
The de-enrolment procedure can be either initiated by the fixed part or by the service node.
5.6.1 CTS-SPM De-enrolment initiated by the fixed part
The de-enrolment indication is sent by the fixed part to the service node.
Fixed Part Service Node
+── ──+
| | CTS-FP/CTS-SN connection
+── ──+
+── ──+
| CTS-SPM DE-ENROLMENT INDICATION |
| ───────────────────────────────────────> |
+── ──+
Figure 5.6/GSM 04.xx: CTS-SPM De-enrolment indication
5.6.2 CTS-SPM De-enrolment initiated by the service node
The de-enrolment request is sent by the service node.
Fixed Part Service Node
+── ──+
| | CTS-FP/CTS-SN connection
+── ──+
+── ──+
| | Other procedure
+── ──+
+── ──+
| CTS-SPM DE-ENROLMENT REQUEST |
| <─────────────────────────────────────── |
| CTS-SPM DE-ENROLMENT COMPLETE |
| ───────────────────────────────────────> |
+── ──+
Figure 5.7/GSM 04.xx: CTS-SPM De-enrolment request