Wireless Backup Telephone Device
First Claim
1. A system for supporting wireless backup emergency telephone service to customer premises telephone equipment connected to a landline telephone network, the system operable for:
- receiving a message from a wireless communication device functionally connected to the customer premises telephone equipment, the message indicating the landline telephone service to the customer premises telephone equipment is interrupted; and
in response to receiving the message indicating that the landline telephone service to the customer premises telephone equipment is interrupted;
informing a maintenance center of the interruption of the landline telephone service, and forwarding incoming telephone call directed to a first directory number assigned to the customer premises telephone equipment to a second directory number assigned to the wireless communication device.
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Accused Products
Abstract
A wireless telephone backup device for landline telephone equipment that may be located on the customer side of the landline service connection, typically in a restricted access location, such as an attic, basement, or utility closet. An interconnection circuit in the backup device detects service interruptions in the subscriber'"'"'s landline connection and, in response, powers on a wireless communication device to provide backup telephone service to the customer premises equipment. The interconnection circuit also provides the other features standard landline telephone service, including dial tone, ring voltage, and normal dialing for outgoing calls. The backup device also forwards incoming landline calls to the wireless unit in the backup device, and may send a message notifying a maintenance center of the service interruption. Further, the backup device may initiate an indicator in an alarm system at the site of the customer premises equipment to notify the subscriber of the service interruption.
129 Citations
6 Claims
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1. A system for supporting wireless backup emergency telephone service to customer premises telephone equipment connected to a landline telephone network, the system operable for:
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receiving a message from a wireless communication device functionally connected to the customer premises telephone equipment, the message indicating the landline telephone service to the customer premises telephone equipment is interrupted; and
in response to receiving the message indicating that the landline telephone service to the customer premises telephone equipment is interrupted;
informing a maintenance center of the interruption of the landline telephone service, and forwarding incoming telephone call directed to a first directory number assigned to the customer premises telephone equipment to a second directory number assigned to the wireless communication device. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification