Title Short description
Audio pickup from phone line Picks-up audio signal when near a phone that is in use.
Caller ID and ring generator Uses AT90S1200 and generates FSK tones Bell 202 standard for communication and caller id.
Half-a-phone A phone that can only accept calls.
Interphone v1 Interphone - intercom.
Interphone v2 Another version of intercom.
Phone recorder Entire system for recording telephone conversations to .mp3, using USB audio pickup and a PC.
Phoneline controller v1 Control your appliances over PSTN phone line.
Phoneline controller v2 Control your appliances over PSTN phone line.
Smart telephone light Turns on lights when phone rings and if in dark.
Telephone bug Excellent telephone bug.
Telephone line recorder v3 A device that turns on voice recorder automatically and records phone conversation.


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