Prevention of voice over IP spam
First Claim
Patent Images
1. A system comprising:
- a memory; and
a processor in communication with the memory, the memory including computer code executable with the processor, wherein the computer code is executable to;
initiate a first call to a phone number over a Public Switched Telephone Network (PSTN);
determine a destination address for the phone number;
transmit at least one message to the destination address for a second call in order to demonstrate knowledge of the first call to a device at the destination address; and
receive a ticket in response to transmission of the at least one message.
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Abstract
In one embodiment, a system is provided to prevent VoIP spam. The system may store call data that is associated with a call to a phone number made over a Public Switched Telephone Network. Subsequently, the system may accept an Internet Protocol telephony connection in response to verification of a demonstrated knowledge of the call. The demonstrated knowledge of the call may be verified based on the call data.
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Citations
20 Claims
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1. A system comprising:
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a memory; and a processor in communication with the memory, the memory including computer code executable with the processor, wherein the computer code is executable to; initiate a first call to a phone number over a Public Switched Telephone Network (PSTN); determine a destination address for the phone number; transmit at least one message to the destination address for a second call in order to demonstrate knowledge of the first call to a device at the destination address; and receive a ticket in response to transmission of the at least one message. - View Dependent Claims (2, 3, 4, 5, 6)
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7. Logic encoded in one or more tangible non-transitory media for execution by a processor and when executed operable to:
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store call data, wherein the call data is associated with a first call to a phone number over a Public Switched Telephone Network (PSTN); issue a ticket for a second call in response to a verification based on the call data that an Internet Protocol (IP) telephony client is in possession of a demonstrated knowledge of the first call made over the PSTN; and accept an Internet Protocol (IP) telephony connection for the second call from the IP telephony client in response to a validation of the ticket. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A method comprising:
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initiating a first call to a phone number over a Public Switched Telephone Network (PSTN) with a processor; transmitting a message over an IP (Internet Protocol) network to a device on the IP network, the message demonstrating knowledge of the first call; and receiving a ticket with the processor from the device in response to transmission of the message demonstrating knowledge of the first call, the ticket being authorization to establish an Internet Protocol (IP) telephony connection over the IP network for a second call to the phone number. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification