This discrete telephone box hides an electronic circuit that allows you (the owner) to retain full control of your phoneline while imposing outgoing call restrictions.
Call Off Timer function - This feature allows you to limit the length of calls (up to 49 minutes, adjustable). Call timer can apply to incoming and outgoing calls.
The Allow or Restrict memory can hold up to 40 numbers. You can add any combination of phone numbers, area codes and prefixes.
Applications: Vacation Homes, Household with teens, Workplaces with unsupervised employees, Public Long Distance Telephone Booths (Call timer feature), Military bases (to Limit the length of calls), etc.
6-digit security code bypasses all restrictions. Works on DTMF landlines voice services and VOIP lines. Easy to install, program and use. One unit can protect all extensions. Line Powered (no batteries, no external power needed)