Transmission and Multiplexing (TM); Speech communication quality from mouth to ear for 3,1 kHz handset telephony across networks
NORM herausgegeben am 31.7.1996
Designation standards: ETSI ETR 250-ed.1
Publication date standards: 31.7.1996
The number of pages: 208
Approximate weight : 655 g (1.44 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI