| 发明名称 |
SYSTEM, METHOD AND DEVICE FOR MAINTAINING A COMMUNICATION SESSION SUSPENDED FOR SERVICING OF POWER SUPPLY |
| 摘要 |
Systems, methods and programmed instructions are disclosed useful for maintaining a communication session previously established between a first telephony device and at least one second telephony device while a power supply of the first telephony device is serviced.
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| 申请公布号 |
US2011136549(A1) |
申请公布日期 |
2011.06.09 |
| 申请号 |
US20090631019 |
申请日期 |
2009.12.04 |
| 申请人 |
RESEARCH IN MOTION LIMITED |
发明人 |
GISBY DOUGLAS MICHAEL;YACH DAVID PAUL |
| 分类号 |
H04B1/38 |
主分类号 |
H04B1/38 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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