Ideal for the knowledge worker who relies on telephone communications, the IP 230 delivers a wealth of features including three line appearances, eight function keys, four soft keys, and a headset jack. Highlights 3 Lines Integrated 10/100 Ethernet switch Full duplex SpeakerphoneFeaturesFeature KeysTransferConferenceHoldIntercomRedial (History) VoicemailOptionsDirectoryDisplay24 character x 5 line display120 x 35 pixelsSpeakerphoneFull duplexAudio ControlsVolume (independent control) Mute (LED indicator) Speakerphone (LED indicator) Headset (LED indicator) SpecificationsMGCP protocolVLAN, DiffServ/ToS, 5004/UDP QoS, G. 722, BV-32, BV-16, G. 711, G. 729a codecsBuilt-in 10/100 Ethernet switch 802.3 af PoE (standard), or local power (optional) Class 2 PoE ( 2.9 W idle / 3.6 W active / 4.4
W max)EnvironmentalHumidity: 5-90%
relative humidity (non-condensing)Operating temperature: 0-50 C