P550 | P-Series PBX System | Yeastar

P550 P-Series PBX System
Manufacturer: Yeastar
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A Complete PBX System,
Plus More Possibilities

Customer expectations have soared. Purpose-built for SMEs to fulfill more sophisticated communication needs, P-Series PBX System is a converged system to wrap a suite of services around, including voice, video, applications, collaboration, and more.

Cloud-based and on-premises optionsAn easy approach to fill the UC gapOptimized experience built for everyoneEmbrace boundless communications

Linkus UC Clients: Any Device, Anywhere

Driven through a set of applications for web browsers, Android, iOS, Windows and Mac,Linkus UC Clients enable P-Series PBX users to make audio and video calls right from the web browser as well as easily turn mobile phones and desktops into office extensions. Use Linkus UC Clients to stay connected and productive whether you are in the office, on the go, or working from home.

All office extension featuresOne number reach on any deviceSee the status of your colleaguesOne-on-one or group chat with file sharing
Linkus UC Clients
Play voicemails or transcribe themClick to call from any web pagesCompany-wide & personal contactsSecure remote access via Yeastar supplied domain name

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.

Initiate and participate meetings right from the browserNo need for additional applications and pluginsInvite your colleagues and clients via meeting linksHear and see other participants in full HDShare your screen for live presentationGroup chat instantly in the sidebar
Integrated Video ConferencingIntegrated Video ConferencingIntegrated Video ConferencingIntegrated Video ConferencingIntegrated Video ConferencingIntegrated Video Conferencing

Economical Call Center Solution

Call center telephony for SMEs doesn’t have to be expensive or complex. P-Series PBX introduces an inbound call center solution tailored for SMEs to optimize agent productivity and boost customer satisfaction in a budget-friendly way.

Call Center Solution


Route incoming calls to the proper queue and the right, available agent based on certain strategies you set up.


Paired with ACD, IVR prompts callers to their desired destinations with customized rules, helping SMEs handle high volumes of incoming calls.

Call Recording

Keep track of every phone conversation to improve the performance of your agents or for compliance with regulatory requirements.

Queue Panel

View real-time display of incoming calls, agent status and other queue-related statistics to help you efficiently handle the calls.


For agents and supervisors to intuitively monitor agent & queue activities in real time and quickly identify any possible issues.


Use detailed statistical reports for multi-dimension performance measurement and gain in-depth insightson efficiency improvement.

More Reasons Why People Love about P-Series

Remote Access Service

Consistent in-office communication experience for everyone via the secure and hassle-free remote connection.

Operator Panel

Drag and drop to dispatch incoming calls to extensions, ring groups, and queues based on real-time availability.


Group corporate contacts into several phonebooks and grant permissions to different departments separately.

Chrome Extension

Yeastar Linkus for Google is a Chrome extension that enables you to miss no call, simplify dialing, and increase efficiency.

CRM Integration

Align data and conversations with built-in Zoho CRM integration. Leverage click-to-call, call journaling, call pop-up, etc.

Microsoft Teams Integration

Microsoft Teams Integration

A complete UC&C solution. Meet all internal and external calling needs directly from the Teams app.

The Full Feature List:
From the Must-Haves to the Nice-to-Haves

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 and Ultimate Plan require additional subscription. (See the subscription pricing for different appliance models here.) The Cloud and Software Edition are available in Enterprise Plan and Ultimate Plan.

Basic Plan Enterprise Plan Ultimate Plan

Deployment ModeApplianceAppliance, Software, CloudAppliance, Software, Cloud

Business Features

Telephony Features

Administration & Security

Unified Communications

Call Center

Remote Access Service

Instant Messaging


CRM Integration

Video Conferencing

Web Video Call

Cloud EditionSoftware EditionAppliance Edition

Business Use ForService Providers

Start Your
Free Trial Today

This 30-day trial allows you to experience the ins and outs of P-Series Cloud Edition Enterprise Plan and explore how it transforms communications for your business or your enterprise customers.

Full access to the Enterprise Plan

10 extensions, 10 concurrent calls

No credit card required. No commitment.

Instant activation upon signup.

Turnkey Solution

Designed for channel success, P-Series Cloud Edition Turnkey Solution is a fully managed, serverless offering that enables faster time to market, easier service delivery, and stronger return of investments.

No server needed. Low start-up costs

Based on a high availability architecture

Click to create & scale through YCM

Single-panel-of-glass dashboard

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