ETSI TS 122 121

ETSI TS 122 121
ETSI TS 122 121 English PDF Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Service aspects; The Virtual Home Environment (3G TS 22.121 version 3.3.0 Release 1999)

standard published 06/01/2000 by European Telecommunications Standards Institute

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This document specifies the Virtual Home Environment

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