Telecommunications – Radiotelephone system – Auxiliary data signaling
Reexamination Certificate
2006-09-05
2006-09-05
Feild, Joseph (Department: 2617)
Telecommunications
Radiotelephone system
Auxiliary data signaling
C455S414200, C455S445000, C455S412100, C370S278000, C370S328000
Reexamination Certificate
active
07103372
ABSTRACT:
A method and system for preventing delivery of unsolicited, e.g., “spam,” SMS messages. The system and method operate to: 1) receive an SMS message destined for an end user; 2) determine that one or more telephone numbers are associated with the SMS message; 3) compare the one or more telephone numbers to a plurality of predetermined telephone numbers; and 4) prevent delivery of the SMS message if any of the one or more telephone numbers associated with the SMS message matches any of the plurality of predefined telephone numbers. The predefined telephone numbers may be included in the text of the SMS message or in the “callback_num” parameter of the SMS message.
REFERENCES:
patent: 6101393 (2000-08-01), Alperovich et al.
patent: 2001/0051528 (2001-12-01), Lielbriedis
patent: 2002/0087584 (2002-07-01), Hung
patent: 2003/0083078 (2003-05-01), Allison et al.
patent: 2004/0058694 (2004-03-01), Mendiola et al.
patent: 2004/0082347 (2004-04-01), Alminana et al.
Short Message Peer to Peer Protocol Specification v3.4; Document Version:-Oct. 12, 1999, Issue 1.2 pp. 1-169.
Cellco Partnership
Darby & Darby
Feild Joseph
Perez Julio
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