Digital exchange system with function of displaying...

H - Electricity – 04 – L

Patent

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Details

H04L 12/26 (2006.01) H04L 1/20 (2006.01) H04M 3/24 (2006.01) H04M 9/00 (2006.01) H04Q 3/42 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2132496

According to this invention, in a digital key telephone system which is connected to a digital network via a digital channel, a transmission error which has occurred on the digital channel is detected, and upon detection of the transmission error, information representing the transmission error is stored in an error table. When a display request of a transmission error is input from a digital key telephone, error information stored in the error table is read out, the readout information is transferred to the digital key telephone, and the information is displayed on a display of the telephone.

Suivant l'invention, dans un système téléphonique numérique à poussoirs connecté à un réseau numérique par l'intermédiaire d'un canal numérique, une erreur de transmission se produisant sur le canal numérique est détectée, et sur détection de cette erreur, l'information représentant l'erreur de transmission est stockée dans une table d'erreurs. Lorsqu'une demande d'affichage d'une erreur de transmission est entrée à partir d'un téléphone numérique à poussoirs, l'information d'erreur stockée dans la table d'erreurs est lue, transférée au téléphone numérique à poussoirs, puis affichée sur un afficheur du téléphone.

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