INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - MULTIPLE SUBSCRIBER NUMBER (MSN) 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. (Endorsed by AENOR in December of 1999.)
NORMA vydaná dňa 1.12.1999
Designation standards: UNE-EN 300052-4:1998
Publication date standards: 1.12.1999
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE