... 4147, Dialogue 4186, MD110 ESI: ESI-48-Key IP Feature Phone and 48-Key Digital Feature Phones General Electric: GE ... 4150, SuperConsole 1000, Mitel IP Series, Models 5000 IP, 5010, 5020, 5020i, 5040i, 5050, 5055 IP, 5055 SIP, 5140, 5201, 5207 IP, 5210 IP, 5212, 5215, 5220 ... 400, PLX-500 Packet8 Phones: 6753i, 6755i, 6757i Polycom: SoundPoint IP Phone Series, Models 300, 500 (rev. 5 or later), 550, ...