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ETSI TS 123 278
M00000420
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ETSI TS 123 278 Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Customised Applications for Mobile network Enhanced Logic (CAMEL) Phase 4; Stage 2; IM CN Interworking (3GPP TS 23.278 version 6.2.0 Release 6)
standard by European Telecommunications Standards Institute, 12/01/2005
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