Amplified Phone brands

Aiphone
American Water Heater
Black Box
Bogen
Clarity
ClearSounds
Creek Audio

EnGenius Technologies
Kenwood
Konftel
Krown Manufacturing
LG Electronics
NEC
Oricom

Panasonic
Philips
Radio Shack
Revolabs
Robic
Topcom
Uniden

Verizon
Vox
VTech
Williams Sound