Overview

Yeastar P550 P-Series IP PBX for 50 Users with Modular Telephony
The Yeastar P550 P-Series IP PBX is engineered to unify voice, video, messaging, and customer engagement into a single, streamlined communication platform. Designed for growing businesses, it supports up to 50 users and 25 concurrent calls, delivering a balance of scalability and operational efficiency. With integrated tools such as Linkus UC Clients, Operator Panel, and Call Center Console, teams gain real-time visibility and control over communications, whether in-office or remote. Its modular architecture allows businesses to expand telephony capabilities as needed, ensuring long-term flexibility without requiring a full system replacement.

Description

The YST-P550 IP PBX offers a comprehensive unified communications solution that enhances collaboration, simplifies call management, and supports hybrid work environments. It combines advanced call handling, omnichannel messaging, and video conferencing into a single platform, reducing the need for multiple systems. With its modular design, businesses can scale telephony interfaces and capacity over time. The system also integrates easily with CRM platforms, helpdesk tools, and collaboration software, enabling a more connected and productive workflow across teams.

Features

Unified Communications and Collaboration Tools
The system includes a full suite of applications designed to improve communication efficiency across teams and departments.

• Linkus UC Clients available on web, desktop, and mobile for consistent access across devices
• Operator Panel providing live call monitoring and drag-and-drop call control
• Call Center Console with tools such as IVR, wallboard, and queue management
• Built-in video conferencing with HD audio and video support
• Omnichannel messaging including live chat and multiple digital channels

Flexible Deployment and Remote Access
Modern work environments demand mobility. The Yeastar P550 supports secure remote access, allowing employees to work from virtually any location without compromising system performance or security.

• Remote working capability with secure connectivity
• Centralized system management through an intuitive interface
• Easy deployment and minimal learning curve for administrators and users

Expandable Modular Architecture
A key strength of the YST-P550 is its modular design, which allows businesses to adapt the system as requirements evolve.

• Support for telephony modules to add FXS, FXO, BRI, and 3G/4G connectivity
• Expansion boards and DSP modules for increased system capacity
• Seamless integration with PSTN, ISDN, and analog infrastructure

Call Handling and System Intelligence
The platform includes advanced call management tools that streamline operations and improve customer experience.

• Visual call flow designer with drag-and-drop configuration
• Queue callback, call recording, and call flip functionality
• Auto-provisioning support for over 500 IP phone models
• Compatibility with more than 150 ITSP providers worldwide

Security and Reliability Framework
Built with enterprise-grade reliability in mind, the system ensures continuous operation and data protection.

• Dual-server hot standby with real-time data synchronization
• Multi-layer security including two-factor authentication and automated defense mechanisms
• Stable architecture designed for consistent uptime and performance

Key Technical Details

• Part Number / SKU: YST-P550
• Base and maximum users: 50
• Maximum concurrent calls: 25
• FXS ports: up to 8
• FXO or BRI ports: up to 8
• 3G or 4G ports: up to 4
• E1, T1, or J1 support: not available

Integration and Ecosystem Compatibility
The Yeastar P550 integrates smoothly with existing business systems, allowing organizations to extend functionality without disrupting workflows.

• CRM and helpdesk integration for improved customer management
• Compatibility with collaboration platforms for unified workflows
• Open ecosystem for customized business applications

Specifications

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Specifications
Product Code	YR-P550
Base Users / Max Users	50
Max Concurrent Calls	25
Max FXS Ports	8
Max FXO/BRI Ports	8
Max 3G/4G Ports	4
Max E1/T1/J1 Ports	-