The Yeastar P520 P-Series IP PBX is an efficient and reliable telephony solution that meets all your business communication needs. With 4 FXS ports, 4 FXO ports, and support for up to 10 concurrent calls, this IP PBX is robust and scalable, allowing you to add extensions or lines as your business expands without any difficulty. It integrates voice, video, applications, and collaboration tools into a single device, making it easy for businesses to streamline their communication infrastructure. The P-Series IP PBXs also come with system indicators that ensure smooth operations, with a blinking light indicating that the system is working properly, and a static or off light indicating that there is a problem. Suitable for SMEs, call centers, and businesses with remote work demands, the Yeastar P520 is a sophisticated system designed to empower your work-from-anywhere teams with engaging collaboration experiences.