1) Able to pre- store up to 8 card accounts, compatible with all types of calling cards; 2) Enables auto-switch and rerouting of long distance calls to telephone network according to the area code dialed / card sequence number selected 3) Support the setup of private password. 4) Able to setup system password and lock the data; 5) Supports calling card balance inquiry (custom programmed) 6) Supports local voice prompted setting and remote configuration for maintenance and programming.