ETSI EN 300 368:1998 Integrated Services Digital Network (ISDN); Explicit Call Transfer (ECT) Supplementary Service; Functional Capabilities and Information Flow (V1.2.2)
ETSI - European Telecommunications Standards Institute
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ETSI EN 300 368:1998
ETSI EN 300 368:1998 history
1998ETSI EN 300 368:1998 Integrated Services Digital Network (ISDN); Explicit Call Transfer (ECT) Supplementary Service; Functional Capabilities and Information Flow (V1.2.2)