Grandstream Networks Telephone HANDYTONE 486 Telephone Grandstream Networks Telephone HANDYTONE 486 Telephone Telephone Grandstream Networks
Guardian Technologies CIT-40 Telephone Guardian Technologies CIT-40 Telephone Telephone Guardian Technologies
Lucent Technologies Icon-Labeled 4400-Series Telephone Lucent Technologies Icon-Labeled 4400-Series Telephone Telephone Lucent Technologies
Guardian Technologies WRT-40-A Telephone Guardian Technologies WRT-40-A Telephone Telephone Guardian Technologies
Patton electronic SmartLink 4050 Series Telephone Patton electronic SmartLink 4050 Series Telephone Telephone Patton electronic
Avaya 4406D+, 4412D+, 4424D+, 4424LD+ Telephone Avaya 4406D+, 4412D+, 4424D+, 4424LD+ Telephone Telephone Avaya