It is free to call inside the campus (the last 4 digit number). If you want to dial outside the campus (including mobiles), please dial 0 first then the other digits.

房间内可免费拨打校内电话(电话号码后四位)。如拨打校外电话时请先拨零。

youdao

It is free to call inside the campus (the last 4 digit number). If you want to dial outside the campus (including mobiles), please dial 0 first then the other digits.

房间内可免费拨打校内电话(电话号码后四位)。如拨打校外电话时请先拨零。

youdao