With a total of 18 freely programmable multi-color function keys in three rows, D725 users have a complete overview of all calls at their fingertips.ConnectivityThe D725 features a Gigabit Ethernet switch to meet the most demanding telephony requirements.Additionally the USB port enables the use of various accessories, such as USB Headsets or a WiFi stick for even more connectivity options.High quality audioThe advanced speaker and microphone system and the Digital Signal Processor (DSP) ensure the D725 delivers a cutting-edge audio performance.With either the hands-free speakerphone or the handset, the user experience will always be with superior, crystal clear call quality.EnvironmentsUp to twelve SIP identities make the D725 an ideal candidate for intensive phone-use environments.BLF keysAttaching the D7 expansion module provides users requiring even more BLF keys.