BS-6450-3.1 › Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Direct dialling in on private branch exchanges

BS-6450-3.1 - 1993 EDITION - SUPERSEDED
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Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Direct dialling in on private branch exchanges

Keywords

Impedance measurement;Telephony;Telephone exchanges;Electric current;Telephone switching equipment;Telecommunication systems;Circuits;Telephone equipment;Electrical measurement;Signal level;Test equipment;Communication equipment;Performance testing;Performance;Signals;Conformity

To find similar documents by classification:

33.040.30 (Switching and signalling systems Including telecommunication call charging and billing aspects)

33.040.35 (Telephone networks Including Public Switched Telephone Networks (PSTN), Private Telecommunication Networks (PTN) and Private Integrated Service Networks (PISN))

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Document Number

BS 6450-3.1:1993

Revision Level

1993 EDITION

Status

Superseded

Publication Date

Jan. 15, 1993

Page Count

30

ISBN

0580211487

Committee Number

W/-