T-Lock Call Blocker Advantages: ▶ Blocks up to 1,500 incoming phone numbers ▶ Easy to operate - just press a button to add numbers to the list of blocked numbers (Blacklist) ▶ Compatible with analog telephone systems & VOIP (FSK/DTMF) ▶ Works worldwide (line tested) analog telephone as and VOIP) ▶ Powered by the telephone line – No batteries or external sources required ▶ EEPROM technology allows blocked numbers to remain in memory even if disconnected from the phone line ▶ Stores up to 100 incoming phone numbers ▶ Stores up to 50 outgoing phone numbers ▶ Digital display with calibration 4-level intensity With the T-Lock you can eliminate abusive calls from: ▶ Telemarketing companies selling products and services ▶ Companies raising funds and surveys for politicians*, police*, firefighters, etc. ▶ Calls from collection agencies, banks, lawyers, hospitals and others