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ETSI TS 126 141
M00001110
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ETSI TS 126 141 Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); IP Multimedia System (IMS) Messaging and Presence; Media formats and codecs (3GPP TS 26.141 version 7.1.0 Release 7)
standard by European Telecommunications Standards Institute, 07/01/2007
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