Message waiting adjunct device

Details Message waiting adjunct device Message waiting adjunct device

H - Electricity

04

M

H04M 1/65 (2006.01) H04M 1/654 (2006.01) H04M 1/82 (2006.01) H04M 3/537 (2006.01)

Patent

CA 2189605

A telephone adjunct interface for use with a network-based voice and/or data message storage and delivery service detects and alerts the subscriber to the existence of waiting messages. The interface device utilizes a combination of AC ring detection and outclass polling of the network to determine whether a visual and/or audible notification should be provided to the subscriber. That is, if the subscriber phone is not answered after a selected number of rings, the interface polls the network after a suitable delay to determine if any messages were left. If the subscriber line is busy or on call-forward while a calling party is seeking to leave a message, the network service platform stores the message and waits a selected interval before seeking to alert the subscriber. Advantageously, the device is configured as a small, portable and inexpensive consumer. premise unit which connects easily to all standard analog telephone systems that use modular connectors.

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