# Category 17: Check In/Check Out Feature Bits

These feature bits allow a hotel, motel, or telephone answering service (TAS) operator to set up mailboxes for a guest or client by recording a name or greeting, setting a passcode, or activating the tutorial. The operator can also clear messages after a guest or client leaves.

Bit | Description | Required | Incompatible
008 | Mailbox can be checked in/out |  |
090 | Check in other mailboxes | 008 |
091 | Check out other mailboxes | 008 |