ocr: Right Yes Commentary Note that cordless phones, answering machines and similar devices cannot be used without electrical power. The power used by the telephone system is normally supplied by the electrical power companies, converted to the necessary voltage by NTT and sent to each individual telephone. However, if power failures begin with electrical power companies, NTT immediately starts to supply power generated by its own backup electric racilities. Jepending on the size of the communications Tacility, electrical generators are used ranging in size from 8KW upt to - 8,000 KW which is about ...
