OpenScape Desk Phone CP400 is an uncompromising value phone for easy entry into VoIP telephony. It supports the entire range of OpenScape Voice features, has a headset socket and four programmable function keys. The keys are preprogrammed with ‘conversations’,' people ',' forwarding 'and' redial '. However, they can also be configured as a four line keys for example. The focus on essential functions makes the CP200 an ideal companion for CTI supported workstations. In addition, the phone has fixed function keys for ‘hold’, 'transfer' and 'conference' to quickly interact with the call party. This phone already supports Audio Presence, our trademark for HD audio.