会话发起协议（Session Initiation Protocol，SIP）通常被视为与电信领域建立联系的事实协议。

The Session Initiation Protocol (SIP) is generally seen as the de-facto protocol to tap into the world of telecom.

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关于减缓的讨论真正聚焦这样的事实，既首次在哥本哈根协议中，所有主要经济体同意实施或目标或行动。

Mitigation really focused on the fact that for the first time in the Copenhagen Accord all the major economies agreed to implement either targets or actions.

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他们曾被寄予期望能够唤醒峰会并击败反对派达成协议，但事实证明适得其反。

They had been expected to galvanise the summit and steamroller opposition to an agreement, but in fact proved counterproductive.

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