Yeastar P520 is the entry-level model in the P-Series Phone System Appliance Edition, purpose-built for small offices seeking a simple, yet powerful all-in-one unified communications platform. It supports up to 20 users and 10 concurrent calls, integrating voice, messaging, presence, and mobility. Out-of-the-box features include a visual operator panel, Linkus UC softphone apps, built-in call recording, voicemail, IVR, queue management, and integration with CRMs and Microsoft Teams. Designed with Yeastar’s “Easy-first” principle, the P520 is simple to deploy and manage, offering browser-based administration, auto-provisioning, and high interoperability with over 400 IP phone models and 150+ global SIP trunk providers.