Executive Business Phones have 12/16 SIP Accounts, 8/10 Line Keys, and Gigabit color screens. The phones are featured with the built-in BT, dual-band Wi-Fi (2.4G / 5G), and USB 2.0 interface. And support 5-way conference. Up to 6 expansion modules could be connected. With HD sound and Acoustic Shield intelligently filtering noise, "face-to-face" communication could be delivered. Equipped with dual-core processors, Htek Executive Business Phones could cover any application scenario and any professional needs.