With TeleData Guard is installed on all your phone lines, the extension you pick up will automaitcally disconnect the the remaining extensions!

GREEN LIGHT also informs you before you pick up; if the phon line is being used or taped Like a mini-phone system, it protects your fax or modem from interruption, saving you steps, and insuring your privacy. If during a phone conversation the green light goes out, someone has activated a tap or picked up an extension. Press the red button to resume talking, now with caution

WHAT IT DOES:

• Warns against phone tapping and extension eaves dropping
• Protecting your private phone coversation
• Detects phonetapping and eavesdropping.
• Isolating extensions during fax transmission or reception
• Eliminating modem interruption during data transfer
• Reducing dedicated lines for credit card checkers
• Indicating status with phone privacy indicator
• Replacing Voice/Data switch
• No AC/DC power required and easy installation
• By-Pass Function