The Cisco 7940G IP phone is a full-featured IP phone that provides 2 programmable line and feature keys.

• Large, pixel-based LCD display that provides information such as date and time, calling party name, number, and digits dialed
• 2 programmable line and feature keys
• 4 dynamic soft keys to guide users through call features and functions
• Built-in headset port and high quality speakerphone with mute
• Internal Cisco two-port Ethernet switch
• Messages key offers direct access to voicemail
• Powered by local 48VDC power supply (sold separately) or any Cisco Inline Power-capable blades and boxes
• Protocols - SCCP for Cisco users; also supports SIP for open source (e.g. Asterisk) and hosted solutions