Content for TS 24.390 Word version: 18.0.0
A Signalling flows
B Media feature tags defined within the current document
C IP-Connectivity Access Network specific concepts when using GPRS to access IM CN subsystem
D IP-Connectivity Access Network specific concepts when using EPS to access IM CN subsystem
E IP-Connectivity Access Network specific concepts when using 5GS to access IM CN subsystem
$ Change history
A Signalling flows p. 27
A.1 UE sending USSD request, no further information required p. 27
A.2 UE sending USSD request, further information required from network p. 29
A.3 USSI AS sending USSD request, no further information required |R12| p. 33
A.4 USSI AS sending USSD request, further information required from network |R12| p. 37
B (Normative) Media feature tags defined within the current document |R12| p. 42
C (Normative) IP-Connectivity Access Network specific concepts when using GPRS to access IM CN subsystem |R14| p. 43
C.1 Scope p. 43
C.2 Application usage of SIP p. 43
C.2.1 Procedures at the UE p. 43
C.2.1.1 3GPP PS data off p. 43
C.2.1.1.1 General p. 43
C.2.1.1.2 Enforcement p. 43
C.2.2 Procedures at the USSI AS p. 44
C.2.2.1 3GPP PS data off p. 44
D (Normative) IP-Connectivity Access Network specific concepts when using EPS to access IM CN subsystem |R14| p. 45
D.1 Scope p. 45
D.2 Application usage of SIP p. 45
D.2.1 Procedures at the UE p. 45
D.2.1.1 3GPP PS data off p. 45
D.2.1.1.1 General p. 45
D.2.1.1.2 Enforcement p. 45
D.2.2 Procedures at the USSI AS p. 46
D.2.2.1 3GPP PS data off p. 46
E (Normative) IP-Connectivity Access Network specific concepts when using 5GS to access IM CN subsystem |R15| p. 47
E.1 Scope p. 47
E.2 Application usage of SIP p. 47
E.2.1 Procedures at the UE p. 47
E.2.1.1 3GPP PS data off p. 47
E.2.1.1.1 General p. 47
E.2.1.1.2 Enforcement p. 48
E.2.2 Procedures at the USSI AS p. 48
E.2.2.1 3GPP PS data off p. 48
$ Change history p. 49
