The Panasonic KX-UT133 is a VoIP Telephone with 24 feature keys and a large backlit screen with wideband HD Audio which can be transfered to a full duplex conference speakerphone or headset, making it ideal as an office SIP phone.
 
The KX-UT133 also has an Electronic Hook Switch (EHS), support for XML applications and a second ethernet network port for PC connection.