These feature bits allow the user to create tree, broadcast, and rotational mailboxes. These mailboxes require that the distribution lists indicate which child mailboxes the lists branch to.
| Bit | Description | Required | Incompatible |
|---|---|---|---|
| 068 | Define rotational mailbox | 041, 121, 122 | |
| 120 | Default to first child of tree mailbox | 121 | 186 |
| 121 | Define tree mailbox (Master) | 070, 072 | 041, 122, 187 |
| 122 | Define broadcast mailbox (Master) | 040 and/or 044 | 068,121, 134 |
| 123 | Announce broadcast mailbox name | 040 and/or 044, 070, 071, 122 | |
| 141 | *Define chain mailbox in Receptionist | ||
| 147 | Send receipt after full play | 145 | |
| 152 | Deny login with tree | 121 | |
| 174 | Define greeting for broadcast mailbox | 161, 162, 175 | |
| 178 | Define name for broadcast mailbox | 179 | |
| 186 | Default to last child of tree mailbox | 121 | 120 |
| 187 | *Receptionist call-transfer tree mailbox | 121 | |
| 189 | Rotate on full mailbox | ||
| 229 | Play names of list 1 children | ||
| 231 | Broadcast Mailbox passcode | 232 | |
| 232 | Allow receipt of Broadcast passcode | ||
| 234 | Check message wait status of children | 070, 072, 121, 134, 229 | |
| 255 | Delete Maibox if no unplayed messages | ||
| 277 | Send Mail Waiting Notice after Mbox Deletes |