Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Daniel J. Lin0
Date of Patent
July 27, 2010
0Patent Application Number
109353420
Date Filed
September 7, 2004
0Patent Citations Received
Patent Primary Examiner
Patent 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 embedding necessary address information in the telephony ringing signal between mobile devices.
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