C.3A UICC access to IMS

C.4 Update of IMS parameters on the UICC

E.2 Fixed broadband aspects when connected to the IM CN subsystem

E.1 Scope

B.5 Use of circuit-switched domain

C.1 Scope

C.2 Derivation of IMS parameters from USIM

C.3 ISIM Location in 3GPP Systems

B.4 3GPP specific encoding for SIP header field extensions

B.3 Application usage of SIP