Supercharge your business with unified communications and the best in enterprise-level technology from Yeastar - the world's leading provider of SME PBX systems.

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Yeastar SME PBX System & Unified Communications

P-Series PBX System

The P-Series PBX System is a complete Unified Communications portfolio that reinvents how businesses connect.

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P-Series Cloud Edition

A full-featured cloud PBX & UC solution that can support onsite, remote, and mobile workers.

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VoIP Gateways

Best VoIP Gateways for SMEs and Service Providers

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The P-Series PBX System

Converge voice, video, applications, collaboration, and more for SMEs

Purpose-built for SMEs to fulfill more sophisticated communication needs, Yeastar P-Series PBX System is a converged system that wraps a suite of services around, including voice, video, applications, collaboration, and more in a single system.

  • Attractive price/performance ratio
  • An easy approach to fill the UC gap
  • Experience built for everyone
  • Embrace boundless communications

Choose your model:


Base Users / Max Users: 50
Max Concurrent Calls: 25
Base / Max Call Center Agents: 50
Max FXS Ports: 8
Max FXO/BRI Port: 8
Max GSM/3G/4G Ports: 4
Max E1/T1/J1 Ports: -
Expandable D30: 0


Base Users / Max Users: 100 / 200
Max Concurrent Calls: 30 / 60
Base / Max Call Center Agents: 100 / 200
Max FXS Ports: 8
Max FXO/BRI Ports: 8
Max GSM/3G/4G Ports: 4
Max E1/T1/J1 Ports: 1
Expandable D30: 1


Base Users / Max Users: 300 / 500
Max Concurrent Calls: 60 / 120
Base / Max Call Center Agents: 300 / 500
Max FXS Ports: 16
Max FXO/BRI Ports: 16
Max GSM/3G/4G Ports: 6
Max E1/T1/J1 Ports: 2
Expandable D30: 2

P-Series PBX System Plans

With a lengthy list of features, P-Series PBX System is able to do a lot more than you expect it to, covering everything SMEs would ask for in daily business communications. Some advanced features are accessible through easy subscriptions as follows.

The Basic Plan is included in the appliance while the Enterprise Plan and Ultimate Plan require additional subscriptions.

Why buy Yeastar?

Future-proof communication system

Yeastar PBX System delivers a unified communications experience for today’s dynamic workforce. Flexible and scalable, it not only grows with your business but also boasts state-of-the-art technology thanks to continuous updates.

Easy configuration and effortless management

The configuration and management are simple and intuitive with the sleek Web GUI. Whether it’s automatic phone provisioning, setting up call routing rules, or connecting your branch offices, everything can be performed easily.

Extensive productivity-enhancing features

Yeastar PBX System boasts a lengthy list of enterprise-grade features, covering SME's daily communication needs. Call queue, ring group, auto attendant, conference, voicemail, and more are all provided at no additional cost.

Integrated Video Conferencing: Interact and Collaborate in Real-time

Not only large enterprises, SMEs also need face-to-face conversations to bring teams and customers closer together regardless of their locations. P-Series PBX System introduces an integrated web-based video conferencing solution with screen sharing and team chat for SMEs to easily conduct multi-party virtual meetings – a smarter way to get things done quicker, enhance team collaboration,and build stronger business relationships.

Linkus UC Clients

Stay Connected Anywhere Anytime

Linkus is a unified communications client for Web Browser, Windows Desktop, Mac Desktop, iPhone and Android phones. Designed for Yeastar PBX System, it transforms your desktop and mobile phone into a fully-featured office extension, provides convenient call experience with click-to-call, and offers powerful collaboration features like presence, instant messaging, contacts management, CRM integration, etc.

Queue Callback

Struggling with reducing the call abandonment rate in your call center? Long waiting time is definitely a key factor to focus on. No one likes hearing the disappointing message, “all agents are busy at the moment …” This is when Queue Callback can help. Aiming to improve customer satisfaction, the Queue Callback feature saves your callers time by allowing them to reserve their positions in the queue without having to wait in line.

How does it work?
  1. When customers call in and all agents are occupied, they need to queue up for an available agent to take the call.
  2. As customers wait on hold, you can present them the callback option so that they can leave their phone numbers and opt-out of the queue knowing that their position is retained.
  3. The system will then initiate an outbound call to an available agent serving the queue. Once the agent picks up the call, it will be dialed out to the caller simultaneously.

Operator Panel

Gain Complete Control of the Call Flows
  • Intuitive and visualized web based console
  • Manage incoming calls based on the real time availability of employees
  • Drag and drop on the panel to dispatch calls to extensions, ring groups, and queues
  • Click to transfer, park, pick up, hang up, monitor, etc.

P-Series Cloud Edition

A full-featured cloud PBX & UC solution that can support onsite, remote, and mobile workers

Any Device, Anywhere

Seamless experience and full access to business features via Linkus Web, Mobile, and Desktop Clients.

Happier Customers

Advanced Call Distribution, agent & supervisor portal, dynamic wallboard, and insightful reporting.

Contacts Directory

Manage enterprise and personal contacts across Linkus UC Clients, IP phones, and the PBX.

Face-to-Face Meeting

Integrated web-based video conferencing and screen sharing for collaborative conversations.

More on the Web

Make web-based audio & video calls. Enjoy call pop-ups and click-to-call enabled by the Chrome Extension.

Open & Interoperable

Working perfectly with IP phones, SIP trunks, and more 3rd-party systems, such as Zoho CRM, MS Teams, etc.

Voice, Video, Applications, Collaboration in One Experience

Include the full span of UC tools in your company’s arsenal. As a “PLUS” solution, P-Series Cloud Edition brings all your communications together, from must-haves to the nice-to-haves, for your entire team with optimised experience built for everyone.

Why Choose the P-Series Cloud Edition?

The trend to the cloud is almost universal. Its flexible environment offers a faster-than-ever way for businesses of all sizes to take advantage of an array of enterprise-grade communications capabilities with simplicity and ease.

  • Up & Running Today
  • Predictable Costs
  • Reduced Capital Outlay
  • Less Administrative Burden
  • No Maintenance
  • Built for the Agile Workforce
  • Geographic Flexibility
  • Instant Scalability

White Label UCaaS Service

Rebrand Yeastar's P-Series Cloud Edition offering and sell it as your own with the White Label UCaaS Service. With the solution, you get everything to sell, provision, and manage top-notch UCaaS services under your brand at ease.

Custom branding options:

  • Brand Name
  • Product Name
  • Company Information
  • Logo
  • PBX Login Page Illustration
  • Welcome Message
  • PBX Email Template
  • PBX Domain Name

Want to know more about Yeastar?

Contact our friendly, knowledgable sales team today: