Yeastar IP PBX System P550 50 Users 25 Concurrent Calls Rack Mountable**Product Description:** Elevate your business communications with the Yeastar P550 IP PBX System, designed for small to medium sized enterprises. This robust system supports up to 50 users and allows for 25 concurrent calls, ensuring seamless communication even during peak hours. With its rack mountable design, the P550 fits perfectly into your server room, optimizing space while maintaining professional functionality. Whether you need to integrate