• ETSI I-ETS 300 400
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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
  • Publisher: ETSI

$11.00$21.51


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.

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