Tech-
invite
3GPP
specs
Glossaries
IETF
RFCs
Groups
SIP
ABNFs
3GPP 23-series — 23.3xx
.0xx
.1xx
.2xx
.3xx
.4xx
.5xx
.6xx
.7xx
.8xx
.9xx
TS 23.303
SA2
Rel‑12
to
Rel‑15
ProSe – Proximity-based Services
TS 23.327
SA2
Rel‑8
to
Rel‑13
Mobility between I-WLAN and 3GPP systems
TS 23.333
CT4
Rel‑7
to
Rel‑14
MRFC-MRFP Mp Interface
TS 23.334
CT4
Rel‑9
to
Rel‑14
IMS‑ALG – IMS‑AGW Iq interface
TS 23.335
CT4
Rel‑9
to
Rel‑14
UDC – User Data Convergence – Technical realization and information flows
TS 23.379
SA6
Rel‑14
to
Rel‑15
Functional architecture and information flows to support Mission Critical Push To Talk (MCPTT)
TS 23.380
CT4
Rel‑8
to
Rel‑14
IMS restoration procedures