ETSI EN 300 052-4
- Final draft Version 1.3.1Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Multi Subscriber Number (MSN) supplementary service; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation e
- standard by European Telecommunications Standards Institute, 12/01/2001
- Publisher: ETSI
$66.00$131.00
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