On hold call waiting display method and apparatus

Details On hold call waiting display method and apparatus On hold call waiting display method and apparatus

H - Electricity

04

M

H04M 3/58 (2006.01) H04M 1/57 (2006.01) H04M 3/428 (2006.01) H04M 3/48 (2006.01)

Patent

CA 2256048

A method and apparatus notifying a user of a call waiting while a telephone is on hold. A transmit signal path and a receive path between a central office line and transmitter and receiver elements in the telephone are muted to place a call on hold. A customer premise equipment alerting signal is received from the central office while the transmit signal path and receive path are muted. The receive path is un-muted after the customer premise equipment alerting signal is received and an audible message signal is generated and inserted into the receive path in response to the customer premise equipment alerting signal to notify a user that the customer premise equipment alerting signal has been received. The receive path is then re-muted.

Procédé et dispositif informant un usager d'un appel en attente pendant qu'un téléphone est en attente. Un trajet de signal de transmission et un trajet de réception entre une ligne de central et des éléments d'émission et de réception dans le téléphone sont bloqués afin de mettre un appel en attente. Un signal d'alerte d'installation d'abonné est reçu depuis le central tandis que le trajet de signal de transmission et le trajet de réception sont bloqués. Le trajet de réception est débloqué après la réception du signal d'alerte de l'installation d'abonné et un signal de message audible est généré et inséré dans le trajet de réception en réaction au signal d'alerte de l'installation d'abonné afin d'informer l'usager de la réception de ce signal. Le trajet de réception est ensuite bloqué de nouveau.

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