H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/17
H04B 7/26 (2006.01) H04M 1/725 (2006.01) H04Q 7/38 (2006.01)
Patent
CA 2022796
ABSTRACT OF THE DISCLOSURE In a mobile telephone system, a base station establishes a radio link to a mobile station and a connection to a switched telephone network when the mobile station is in communication with a network-side station. The base station constantly monitors signals from the mobile station over the radio link. If it detects that the radio link is failing during a communication, a prerecorded announcement is transmitted to the network-side station. A recording/playback apparatus is then operated to record a message from the distant station. The base station further includes a ringing detector for detecting a ringing signal from the network. A connection is then established to the network from the base station if it fails to access the mobile station. A prerecorded announcement is then transmitted to the distant station and the record- ing/playback apparatus is operated to record a message from the distant station.
Corporation Nec
Smart & Biggar
LandOfFree
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