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 limite the lenght of calls to 1-99 (adjustable) - cut-off timer applies to incoming and outgoing calls.
The ''Allowed memory'' can hold up to 250 digits. 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 lenght of calls), etc.
4-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)

Technical Details

Product Details

Product Dimensions

Item Weight: 1 pounds (View shipping rates and policies)

ASIN : B008959L4Y