The fixed telephone of the hotel telecom has opened the long-distance function, but it still can't be dialed. It's all unlocked.

Fixed telephones now have long-distance telephone service by default.

Generally, it is impossible to make a long-distance call because of the long-distance lock of the phone itself (divided into mechanical key lock or phone internal program setting lock). Try to unlock and replace the landline. If there is a dialer or program-controlled telephone exchange in front. It may be set for dialers or switches that cannot dial. Can only be set in the switch.

The last possibility is that telecom canceled the long-distance service. Need to reopen the long-distance telephone service. You'd better contact customer service. .