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ETSI TS 132 251
M00004879
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ETSI TS 132 251 Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Telecommunication management; Charging management; Packet Switched (PS) domain charging (3GPP TS 32.251 version 7.8.0 Release 7)
standard by European Telecommunications Standards Institute, 10/01/2010
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