| 摘要 |
<p>The equipment is structured with a transceiving unit (1), an electronic unit that interfaces the handset (2) and the cellular telephone system through the relevant aerial (3), such transceiving unit (1) being connected to a vocal interface (10) capable of handshaking with the said unit using its same protocol, in order to provide a telephone line with the same loop current, dial request tone, call current and other characteristics of a normal telephone line, the said vocal interface (10) being in turn associated to a rating interface (4), all such elements being assisted by a power source (6) converting the alternating mains current into direct current of a suitable voltage, and with which a battery (7) fitted with a charge circuit located within the rating interface (4) works, to which the telephone set (15) or whatever sets are used in each particular case are connected. <IMAGE></p> |
