About This

• Block any combination of 3-5 phone numbers (total combined storage capacity: 32 digits).
• It can be easily programmed to block 911, 411, 311 or any local or long distance phone number (1 to 11 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)

Overview

• Brand : hqtelecom
• Color : Black
• Telephone Type : Corded
• Number of Batteries : Unknown batteries required.
• Material : Plastic
• Power Source : Line Powered
• Dialer Type : Manual Keypad
• Answering System Type : Digital
• Compatible Devices : [Various FSK or DTMF compatible corded and VoIP landline phones]
• Multiline Operation : Single-Line Operation