The cisco ip phone 7940g a key offering in the ip phone portfolio addresses the communication needs of a transaction type worker it provides two programmable line and feature keys plus a high quality speakerphone the cisco ip phone 7940g also has four dynamic soft keys that guide users through call features and functions built in headset port and integrated ethernet switch are standard with the cisco ip phone 7940g also includes audio controls for full duplex speakerphone handset and hea