Powerful wireless SIP conference phone. Set includes CP930W SIP conference phone and W60B DECT base station. Integrated battery for up to 24 hours of talk time and up to 15 days of standby operation. Three microphones with Yealink Noise Proof technology. Conference calls with up to five parties. The GAP standard is not supported. Thanks to the built-in battery in the CP930W base and DECT technology, you are completely independent of network sockets or power outlets, allowing for a tidy conference table. The battery provides long operating times without needing to recharge. If the battery does run low, it can be recharged in less than four hours. The CP930W features Yealink Noise Proof technology to suppress background noise and offers voice pickup without dead zones within a six-meter radius. Additionally, you can connect the CP930W base to your smartphone via Bluetooth or to a PC/tablet via micro USB, allowing you to use the speaker and microphone.