IP Phones

• 3Com
• E-Tel FreeRide
• tiptel
• E*phone (Columbia University)
• Inter-Tel
• Pingtel
• Selsius H.323-based Ethernet phones (Selsius is now part of Cisco)
• Vocaldata (G.723.1, proprietary signaling)
• Symbol Technologies NetVision phone
• Telogy white paper on IP phones
• IP star (with V.34 modem)