Integrated Services Digital Network (ISDN) - Telephony 7 kHz, videotelephony, audiographic conference and videoconference teleservices - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification
NORMA vydaná dňa 1.8.1998
Designation standards: ÖNORM EN 300267-1-V1.2.2
Note: NEPLATNÁ
Publication date standards: 1.8.1998
The number of pages: 67
Approximate weight : 201 g (0.44 lbs)
Country: Austrian technische Norm
Kategória: Technické normy ÖNORM