This outgoing call blocker device can be easily programmed to block outgoing 911, 411, or any combination of up to 5 phone numbers (each up to 8 digits long).
▶ Block any combination of up to 5 phone numbers (total combined storage capacity: 32 digits).
▶ It can be easily programmed to block 911, 411, 311 or any other local phone numbers* (up to 8 digits long).
▶ Works on any analog phone line (PSTN, VoIP) that is FSK or DTMF compatible
▶ Telephone line powered (required no external power or batteries)
▶ Retains programming even if disconnected from phoneline (EEPROM, Non-Volatile memory)
▶ It can store any string of digits (0-9, #)
▶ Size: 3.9" x 2.5" x 0.9"
▶ Weight: 3 ounces
▶ Easy to install and program (includes do-it-yourself programming instructions)
▶ Use to block access to emergency, medical alert, or information services 411, 311, etc.
▶ Prevent 911 dispatches from mentally ill individuals
▶ Prevent excessive charges for 411 calls (these can cost from $0.75 cents to $1.50 per call)
* Note: This device cannot block 10-digi local numbers.