发明授权
US08565754B2 Communication device, communication system, and communication method 有权
通信设备,通信系统和通信方式

Communication device, communication system, and communication method
摘要:
A communication device includes: an obtaining unit that obtains use state information of the communication device during a call with another communication device; and a transmission unit that transmits an obtaining command for use state information of the other communication device to the other communication device and the use state information obtained to an external part.
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