Specification number WG Status select None agreed approved endorsed merged not pursued not treated noted postponed reissued rejected revised withdrawn Meeting Target Release select All Releases Open Releases Custom Selection Rel-20 Rel-19 Rel-18 Rel-17 Rel-16 Rel-15 Rel-14 Rel-13 Rel-12 Rel-11 Rel-10 Rel-9 Rel-8 Rel-7 Rel-6 Rel-5 Rel-4 R2000 R1999 UMTS R1998 R1997 R1996 Ph2 Ph1-EXT Ph1-DCS Ph1 TSG Status select None agreed approved endorsed merged not pursued not treated noted postponed reissued rejected revised withdrawn Work Item 540312 - GBA-ext-St3 - CT4 part of Stage 3 for GBA extensions for re-use of SIP Digest credentials Entities UICC ME RAN CN