Title :
The Power Supply of Supplementary Equipment at the ISDN-Telephoneset
Author_Institution :
Alois Zettler GmbH, Holzstr. 28-30, D-8000 Mÿnchen 5, F.R. of Germany
Keywords :
Automatic control; Costs; Counting circuits; Emergency power supplies; Feeds; Headphones; Power supplies; Speech; Telephony; Voltage;
Conference_Titel :
Telecommunications Energy Conference, 1985. INTELEC '85. Seventh International
Conference_Location :
Munich, Federal Republic of Germany
Print_ISBN :
3-8007-1429-9
