
IEEE Standard Methodologies for Specifying Voicegrade Channel Transmission Parameters and Evaluating Connection Transmission Performance for Speech Telephony
NORMA vydaná dňa 25.6.1990
Designation standards: IEEE 823-1989
Note: NEPLATNÁ
Publication date standards: 25.6.1990
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategória: Technické normy IEEE