Invention Grant
US07957518B2 Communication handoff between telephone devices 有权
电话设备之间的通信切换

Communication handoff between telephone devices
Abstract:
A method of moving telephone communication from a first device engaged in a call, to a second device. The method includes initiating a determination of status of the first device from the second device, joining the second device to the call to form a conference in response to an active call status indication, and removing the first device from the conference, leaving the second device engaged in the call.
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