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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 12.9.0 Release 12)
STANDARD published on 12.4.2016
Designation standards: ETSI TS 122173-V12.9.0
Publication date standards: 12.4.2016
SKU: NS-635747
The number of pages: 73
Approximate weight : 219 g (0.48 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2026-06-11 (Number of items: 2 281 927)
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