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ETSI TS 132 251
M00000169
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ETSI TS 132 251 Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Telecommunication management; Charging management; Packet Switched (PS) domain charging (3GPP TS 32.251 version 6.10.0 Release 6)
standard by European Telecommunications Standards Institute, 06/01/2007
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