The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 17, 2006
Filed:
Sep. 30, 2004
Deborah Lewandowski Barclay, Winfield, IL (US);
David S. Benco, Winfield, IL (US);
Sanjeev Mahajan, Naperville, IL (US);
Thomas Lee Mcroberts, Naperville, IL (US);
Raymond Leroy Ruggerio, Glenview, IL (US);
Deborah Lewandowski Barclay, Winfield, IL (US);
David S. Benco, Winfield, IL (US);
Sanjeev Mahajan, Naperville, IL (US);
Thomas Lee McRoberts, Naperville, IL (US);
Raymond Leroy Ruggerio, Glenview, IL (US);
Lucent Technologies Inc., Murray Hill, NJ (US);
Abstract
A method is provided for fax call blocking. The method includes: receiving a first call intended for an end instrument () employed by a user; obtaining a telephone number from which the first call originated; comparing the obtained telephone number against a first database () to determine if the obtained telephone number matches a blocked telephone number contained in the first database (); blocking the first call such that the end instrument () is not alerted if a match is found between the obtained telephone number and a blocked telephone number, otherwise providing a connection to the end instrument () for the first call; monitoring the connection to detect for fax tone; and, entering the obtained telephone number in the database () as a blocked telephone number if fax tone is detected.