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ETSI TS 124 173
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ETSI TS 124 173 Universal Mobile Telecommunications System (UMTS); LTE; IMS Multimedia telephony communication service and supplementary services; Stage 3 (3GPP TS 24.173 version 14.2.0 Release 14)
standard by European Telecommunications Standards Institute, 03/01/2017
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Full Description
ETSI TS 124 173 provides the protocol details for multimedia telephony communication service and associated supplementary services in the IP Multimedia (IM) Core Network (CN) subsystem based on the requirements from 3GPP TS 22.173 [2].Multimedia telephony and supplementary services allow users to establish communications between them and enrich that by enabling supplementary services.