Yeastar P550 IP PBX is part of the P-Series Phone System Appliance Edition, designed for growing small to medium-sized businesses. It supports up to 50 users and 25 concurrent calls, providing a feature-rich unified communications solution. With support for call routing, auto provisioning, IVR, voicemail-to-email, call recording, and call center capabilities, it centralizes business communications in one easy-to-use platform. The P550 offers excellent security features including TLS/SRTP encryption, firewall, global anti-hacking IP blocklist, and remote access via Yeastar Central Management. It supports Linkus UC Clients across desktop and mobile, with built-in video, SMS, and CRM integrations. Thanks to its modern interface and minimal training requirements, it reduces TCO and enhances operational efficiency.