Flexible expansion, with business growth
 Supports extension expansion and multiple types of external line expansion with the development of the enterprise scale, without the need to replace equipment.
 Efficient collaboration comes from communication
 Break through traditional telephone functions and combine VoIP technology to create greater value for corporate communications with richer functions.
 Provide API interface, let voice data do a lot
 Support seamless integration with third-party systems such as hotel management, call center, CRM, ERP, and OA.