Personal phone expansion system

Details Personal phone expansion system Personal phone expansion system

H - Electricity

04

M

H04M 1/72 (2006.01) H04M 1/725 (2006.01) H04M 3/533 (2006.01) H04M 9/08 (2006.01) H04Q 7/24 (2006.01)

Patent

CA 2151115

A personal phone expansion system (10) includes a personal base station (12) and a plurality of portable units (18). The personal base (12) is connected to a phone line (16) and provides routing and switching (24) between the phone line (16), the portable units (18), a full duplex speaker phone (24) and a voice messaging system (26). The voice messaging system (26), which is contained within the personal base station (12), provides full voice mail functions. The personal base station (12) communicates with the portable units (18) by radio signals through a wireless interface (32). The portable units (18) can be used as standard cellular telephones when outside the range of the personal base station (12).

L'invention est un système d'expansion téléphonique personnel (10) qui comporte une station de base personnelle (12) et une pluralité d'une unités portatives (18). La base personnelle (12) est connectée à une ligne téléphonique (16) et effectue les opérations d'acheminement et de commutation (24) entre cette ligne téléphonique (16), les unités portatives (18), un téléphone duplex à haut-parleur (24) et un système de messagerie vocale (26). Ce système de messagerie vocale (26), qui est incorporé à la station de base personnelle (12), fournit toutes les fonctions de messagerie vocale possibles. La station de base personnelle (12) communique avec les unités portatives (18) au moyen de signaux radio transmis par l'intermédiaire d'une interface sans fil (32). Les unités portatives (18) peuvent être utilisées comme radiotéléphones ordinaires quand elles se trouvent hors de portée de la station de base personnelle (12).

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