An SDP client communicates with an SDP server using a reserved channel on an L2CAP link to find out what services are available.

SDP客户端使用L2CAP链接上的保留通道与SDP服务器通信，来发现哪些服务可用。

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The UUID is also included in the SDP entry and will be the basis for the connection agreement with the client device.

UUID同样被包含在SDP条目中，并且将会成为和客户端设备连接协议的基础。

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