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Phone +49 30 2601-2759
Fax +49 30 2601-1263

Standard

OENORM EN 300141-4 V 1.3.3:2000-09-01

Integrated Services Digital Network (ISDN) - Call Hold (HOLD) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (incl. Diskette!!!)

Publication date
2000-09-01
Original language
English

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Subscription 1
Publication date
2000-09-01
Original language
English

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