Telecommunications – Radiotelephone system – Auxiliary data signaling
Reexamination Certificate
2007-07-17
2007-07-17
Le, Danh (Department: 2617)
Telecommunications
Radiotelephone system
Auxiliary data signaling
C455S414100, C455S418000, C455S445000, C709S228000, C709S236000, C370S351000
Reexamination Certificate
active
11175988
ABSTRACT:
Enabling a user of a device, such as a wired or wireless device, that is associated with a telephone number to communicate text messages with another user of another device that is not associated with a telephone number (or the telephone number is unknown to the sender). Although the other user's telephone number is not known or does not exist, the other user is associated with a user identifier for a user community that is assigned a Common Short Code (CSC). The text message includes a source telephone number (sender/user's device telephone number) and a destination number (the CSC for the other user/recipient's user community). The content of the text message includes a user identifier, where the identifier indicates the particular other user within the user community. A server employs the CSC to determine the user community and the identifier to determine the particular user in the determined community that is the intended recipient of the text message.
REFERENCES:
patent: 7039390 (2006-05-01), Hohne et al.
patent: 2003/0114174 (2003-06-01), Walsh et al.
patent: 2004/0266462 (2004-12-01), Chava et al.
patent: 2004/0266464 (2004-12-01), Lehtikangas et al.
Henderson Irvin
Ramakrishnan Thyagarajapuram S.
Sanjeeva Naveen D.
Darby & Darby PC
Gaffney Matthew M.
Le Danh
Yahoo ! Inc.
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