Ticket exchange for combating fax spam
First Claim
Patent Images
1. A fax transmission system comprising:
- a fax transmission processor coupled to a ticket service and configured to transmit selected facsimile images only when said ticket service validates corresponding ones of tickets issued by said ticket service.
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0 Petitions
Accused Products
Abstract
A fax transmission system configured to combat spam in a fax network. The system can include a fax transmission processsor coupled to a ticket service and configured to transmit selected facsimile images only when the ticket service validates corresponding ones of tickets issued by the ticket service. Notably, both the fax transmission processor and the ticket service can be disposed in a broadcast fax network.
53 Citations
17 Claims
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1. A fax transmission system comprising:
a fax transmission processor coupled to a ticket service and configured to transmit selected facsimile images only when said ticket service validates corresponding ones of tickets issued by said ticket service. - View Dependent Claims (2, 3, 4, 5)
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6. A method for combating fax spam, the method comprising the steps of:
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receiving a request to transmit a facsimile image from an identifiable sender;
validating and canceling a ticket received in association with said request; and
,blocking said request if said ticket does not validate. - View Dependent Claims (7, 8, 9, 10)
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11. A machine readable storage having stored thereon a computer program for combating fax spam, the computer program comprising a routine set of instructions for causing the machine to perform the steps of:
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receiving a request to transmit a facsimile image from an identifiable sender;
validating and canceling a ticket received in association with said request; and
,blocking said request if said ticket does not validate. - View Dependent Claims (12, 13, 14, 15)
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16. A method for combating fax spam used in a denial of service attack on a fax community, the method comprising the steps of:
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incrementing a counter each time a ticket received in association with a request from an identifiable sender of a facsimile does not validate; and
,blocking subsequent requests from said identifiable sender once said counter exceeds a threshold value.
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17. A machine readable storage having stored thereon a computer program for combating fax spam used in a denial of service attack on a fax community, the computer program comprising a routine set of instructions which when executed by a machine cause the machine to perform the steps of:
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incrementing a counter each time a ticket received in association with a request from an identifiable sender of a facsimile does not validate; and
,blocking subsequent requests from said identifiable sender once said counter exceeds a threshold value.
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Specification