Invention Grant
- Patent Title: System and method for in-band modem to modem communication
- Patent Title (中): 带内调制解调器到调制解调器通信的系统和方法
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Application No.: US12754790Application Date: 2010-04-06
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Publication No.: US08180331B2Publication Date: 2012-05-15
- Inventor: Richard John George , Sean Bartholomew Simmons
- Applicant: Richard John George , Sean Bartholomew Simmons
- Applicant Address: CA Waterloo, Ontario
- Assignee: Research In Motion Limited
- Current Assignee: Research In Motion Limited
- Current Assignee Address: CA Waterloo, Ontario
- Agency: Norton Rose Canada LLP
- Main IPC: H04M3/42
- IPC: H04M3/42 ; H04M1/00

Abstract:
Systems, methods and programmed instructions are disclosed useful for transmitting signals representing data messages to and from a wireless handheld telephony device along a first call leg of a communication session previously established between the wireless handheld telephony device and at least one second telephony device, the communication session being controlled by a call control server.
Public/Granted literature
- US20110244835A1 SYSTEM AND METHOD FOR IN-BAND MODEM TO MODEM COMMUNICATION Public/Granted day:2011-10-06
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