User friendly communication design, there are various of way to reach a extension.
人性化的设计，采用多种方式实现分机通话。
A friendly communication between your school and ours has been more than seven years.
我们学校与贵校友好往来已经有7年之久了。
The local phone communication is friendly, but it is not timely and accurate.
局域电话可友好沟通，但难做到适时、准确。
The local phone communication is friendly, but it is not timely and accurate.
局域电话可友好沟通，但难做到适时、准确。
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