It also provides the called user with the means to reverse call charging during the active phase of the call for either the rest of the call or for the entire call.

它也向被叫用户提供了在呼叫激活阶段对剩余呼叫或对整个呼叫反向呼叫计费的方法。

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It also provides the called user with the means to reverse call charging during the active phase of the call for either the rest of the call or for the entire call.

它也向被叫用户提供了在呼叫激活阶段对剩余呼叫或对整个呼叫反向呼叫计费的方法。

youdao