Analog telephone adapter and emergency proxy
First Claim
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1. A system comprising:
- an analog telephone adapter (ATA) which comprises a dial tone generator, control logic and a packet generator, the dial tone generator to generate a dial tone when the ATA is in an unregistered state, the control logic to process a dial-out request made by an external device when the ATA is in the unregistered state, the control logic to direct the packet generator to generate an invite packet for an emergency proxy to handle the dial-out request on behalf of the ATA when the ATA is in the unregistered state.
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Abstract
An analog telephone adapter (ATA) comprises a dial tone generator, control logic and a packet generator. The dial tone generator generates a dial tone when the ATA is in an unregistered state. The control logic processes a dial-out request when the ATA is in the unregistered state. The control logic directs the packet generator to generate an invite packet for an emergency proxy to handle the dial-out request on behalf of the ATA when the ATA is in the unregistered state.
25 Citations
24 Claims
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1. A system comprising:
an analog telephone adapter (ATA) which comprises a dial tone generator, control logic and a packet generator, the dial tone generator to generate a dial tone when the ATA is in an unregistered state, the control logic to process a dial-out request made by an external device when the ATA is in the unregistered state, the control logic to direct the packet generator to generate an invite packet for an emergency proxy to handle the dial-out request on behalf of the ATA when the ATA is in the unregistered state. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method comprising:
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internally generating a dial tone by an analog telephone adapter (ATA) when the ATA is in an unregistered state; processing a dial-out request made by an external device to the ATA when the ATA is in the unregistered state; and generating, by the ATA, an invite packet for an emergency proxy to handle the dial-out request on behalf of the ATA when the ATA is in the unregistered state. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A computer-readable medium having computer program code to cause an analog telephone adapter (ATA) to:
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internally generate a dial tone when the ATA is in an unregistered state; process a dial-out request made by an external device to the ATA when the ATA is in the unregistered state; and generate, by the ATA, an invite packet for an emergency proxy to handle the dial-out request on behalf of the ATA when the ATA is in the unregistered state.
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Specification