BS 6450-5.1:1993

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Private branch exchanges for connection to the British Telecommunications public switched telephone network. Facilities on private branch exchanges. Specification for facilities on private branch exchanges with terminating stations treated as an entirety | Status: Withdrawn

Details

Publisher BS

File size 568.41 KB

Pages 32

Format PDF

Publication date 1993-02-15

ISBN-13 978-0-580-21186-7

ISBN-13 plain 9780580211867

ISBN-10 058021186X

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File size 568.41 KB

Pages 32

Format PDF

Publication date 1993-02-15

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