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New ETSI I-ETS 300 400 View larger

ETSI I-ETS 300 400

M00000382

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ETSI I-ETS 300 400 Integrated Services Digital Network (ISDN); Telephony terminals; Payphones

standard by European Telecommunications Standards Institute, 03/01/1995

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To specify minimum common requirements for a payphone to be connected to a digital subscriber access in the Integrated Service Digital Network (ISDN) and to define conformance testing.