TERMINAL EQUIPMENT (TE). ATTACHMENT REQUIREMENTS FOR PAN-EUROPEAN APPRoval for connection to the analogue Public Switched Telephone Networks (PSTNs) of TE (excluding TE supporting the voice telephony service) in which network addressing, if provided, is by means of Dual Tone Multi Frequency (DTMF) singalling.
NORMA vydaná dňa 29.9.1998
Označenie normy: UNE-TBR 21:1998
Dátum vydania normy: 29.9.1998
Počet strán: 64
Približná hmotnosť: 192 g (0.42 libier)
Krajina: Španielska technická norma
Kategória: Technické normy UNE