Check the listing for details. Cisco Systems CP-7940G VoIP, SCCP, SIP, MGCP Phone Multi-Protocol. Color: Gray, Condition: Used. Listed at 59.99 USD. Previously owned in good conditionCisco Systems VoIP, SCCP, SIP, MGCP Phone Multi-Protocol CP-7940G Unit does not include power supply Description The cisco 7940 ip telephone offers two programmable line and feature keys and a high quality speakerphone. This telephone also has four dynamic soft keys that guide users through call features and functions. Built-in headset port and integrated ethernet switch and standard. The 7940 also features a large, pixel-based lcd display that provides features such as date and time, calling party name, calling party number and digits dialed. The graphic capability of the display allows for the inclusion of such features as xml and future features. The 7940 is multi-protocol capable sccp, sip, mgcp).