ETSI TS 122 173 V17.3.0:2022-05
Current
Current
The latest, up-to-date edition.
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1 (3GPP TS 22.173 version 17.3.0 Release 17)
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
05-01-2022
The present document define the IMS Multimedia Telephony service and the minimum set of capabilities required to secure multi-vendor and multi-operator inter-operability for Multimedia Telephony and related Supplementary Services.
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