不允许打电话用英文怎么说？

Don't call! No calling!

CALLlNG FORBIDDEN?

I am so sorry that you can not phone here.

be not allowed to use the phone（被动语态）
例子：
You aren't allowed to use the phone。
你不允许使用电话。

allow sb to do sth
例子：
I don't allow you to use the phone。
我不允许你用电话。