Through the SIP messages, the two peers initiate a communication session.

通过SIP消息，两个对等体可发起通信会话。

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For communication that always occurs between two peers, repeatedly providing the server address does not make for good programming practice.

对于两个对等计算机之间长期存在的通信，反复提供服务器地址是不合适的。

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Advanced civilizations might very well use some other means of communication with their peers.

先进的文明社会要能使用其它的通讯方式同他们的同辈进行联系。

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