Multitech MultiAccess MA220 User Manual page 19

If the Callback Security option is enabled and Admin specified is selected, then enter their
fixed callback telephone number in the Callback Numer window.
5. Click the add button to include this local user in the data base.
6. Repeat the Local User Row steps for each local user you want to add to your local user data
base.
Multi-Tech Systems, Inc. MultiAccess User Guide
Chapter 3 – Configure your MultiAccess
19