Multiplex communications – Communication over free space – Portable address responsive receiver
Reexamination Certificate
2011-06-14
2011-06-14
Pérez-Gutiérrez, Rafael (Department: 2617)
Multiplex communications
Communication over free space
Portable address responsive receiver
C370S395300, C455S466000, C709S206000
Reexamination Certificate
active
07961663
ABSTRACT:
A technique is provided for establishing peer-to-peer session-based instant messaging between mobile devices without the need for using an instant messaging registration or log-in server to provide presence information. Session-based instant messaging communications between mobile devices are established by transmitting necessary address information through page-based messaging services that utilize the underlying digital mobile network databases and services to resolve the identification and location of the mobile devices.
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Lin Daniel J.
Miah Liton
Patterson & Sheridan LLP
Perez-Gutierrez Rafael
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