Step 3: Click on the PBX Manager menu item.
Step 4: Click on the Mailboxes sub-menu item.
Step 5: Click on the “Add Mailbox”.
Step 6: Fill in the Mailbox Number and PIN, which will be your username and password.
Step 7: Click on the Extension Manager Menu Item.
Step 8: Click on the Extension submenu.
Step 9: Select the extension that you want to change.
Step 10: Click on the Details tab at the top.
Step 11:Scroll down to the Hot Desking Checkbox and enable Hot Desking.
Step 12: Click on “Apply” to save the changes.
Note: Do not make the mailbox username the same as an extension number.