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PBX Plus More

P-Series PBX System

Go boundless. Full unified communications for every
business size and industry.

P-Series PBX System

Unified Communications. Easy, Powerful PBX phone system

Embrace Boundless Communciations

Easy to use, optimal, and scalable, Yeastar P-Series PBX System reinvents how business connects by converging calling, meeting, chat, applications, integrations, and more in one. Just break down the boundaries of distance, platforms, and systems.

More in One. Any Device. Anywhere

With our user-friendly Linkus UC Clients, get a world-class phone system inside a single app, from virtually any device.

Linkus UC Clients

All office extension features

Handle calls, chat with teams, audio/video conference, check colleagues’ presence, listen to call recordings, check voicemails, see call logs, and more, in one simple app.

All contacts in one place

With PBX-native contact management, intuitive phonebooks, and cross-system contacts synchronization, manage all your contacts in one place.

Easily switch devices

Use the app on your web, mobile, or desktop and filp calls seamlessly between devices in one tap. All data are in sync.

Elevated Team and Customer Experience

Empower your teams with innovative features purposely-built for business efficency and productivity.

Call Operator Panel

Call Operator Panel

Visualize your active & waiting inbound and outbound calls in one web-based panel.

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

Video Conferencing

Easy Video Conferencing

Schedule, host, or join a meeting from anywhere instantly and securely, right from your web browser.

Ehanched collaboration with HD audio and video, in-meeting chat, screen sharing, and more.

Call Center Solution

Rich Call Center Features

Speed up support, improve customer experience, and track your agents performance with ease.

Power-packed with advanced Queue Panel, Wallboard, SLA monitoring, Call Center Reports, and more.

Powerful Integrations, Streamlined Workflows

Easily streamline your workflows and empower your teams with read-to-use integrations with Microsoft Teams, popular CRMs, helpdesks, and other business platforms.

You also get the ultimate flexibility to build your own with our open APIs.

Powerful Integrations

Easy, Flexible, and Adaptable to Your Needs

Instant Messaging

Easy to use & Scalability

Set up in minutes with an intuitive web GUI driven by point-and-click configuration. Be future-proof with easy user scalability.

IP Phone Auto Provisioning

Broadest Endpoint Supports

Pre-built IP Phone auto provisioning for 270+ mainstream IP Phone models, including those from Yealink, Fanvil, and more.

SIP Trunk Interoperability

SIP Trunk Interoperability

Use phone service of your choice. Proven interoperability with worldwide SIP/PSTN/ISDN trunks; certified with over 120 ITSPs worldwide.

Remote Access Service

Remote Access Service

Enable a consistent in-office communication experience for everyone via a secure and hassle-free remote access service.

Central Management

Remote Management

Easy for Yeastar partners to manage and provision customer-premises Yeastar PBXs remotely and securely in one platform.

Enterprise-grade Reliability

World-class Reliability

Built on top of usability, scalability, security, and future-proofness with a “100% recommended to a friend” reputation.

Outstanding Features and Flexible Plans

Go at your speed and business needs. Supporting flexible deployments with #1 list of PBX and unified communications features,
Yeastar P-Series PBX System is able to do a lot more than you expect it to.

Standard Plan Enterprise Plan Ultimate Plan

Deployment Mode Appliance Appliance,Software,

Telephony Features


Call Routing

Call Forwarding

Call Monitoring

Call Parking

Call Pickup

Call Recording For Cloud Edition, the Call Recording files are encrypted and can only be accessed from the PBX management portal or via API for data security.

Call Flip

Call Switch

Call Transfer

Call Waiting

Caller ID

Conference Rooms

Speed Dial

Dial by Name


DID (Direct Inward Dialing)

DND (Do Not Disturb)

DOD (Direct Outward Dialing)

CID-based & DID-based Call

Allowed/Blocked Number

Business Features



Ring Group

Paging & Intercom

Operator Panel

Monitor Call Status (Inbound/Outbound)

Monitor Presence Status
(Extension, Ring Group, Queue, Parking Slot)

Drag & drop Dispatch Call

Advanced Call Control

Custom Prompts

Distinctive Ringtone

Music on Hold

MOH Playlist & Streaming

PIN List

BLF Support

LDAP Server

T.38 Fax

Remote Extensions

Business Hours & Holidays


Hot Desking

Emergency Number

Emergency Notifications

CDR & Basic Reports

Administration & Security

Web-based Management Portal

Graphical Dashboard

Auto Provisioning

Bulk Import & Export

Extension Directory

Group & Organization

User Role & Permissions

Operation Logs

Event Logs & Notifications

Backup and Restore


Built-in SMTP Server

Network Drive



Remote Management

Hot StandbySupported on the Appliance & Software Edition.


SRTP & TLS Call Encryption

Password Policy Enforcement

Auto & Static Defense

IP Blocklist

Country Allow/Blocklist

Global IP Blocklist

Outbound call frequency restriction

Two-Factor Authentication (2FA)

Unified Communications

Linkus UC Clients

Web Client

Mobile Client (iOS & Android)

Desktop Client (Windows & MacOS)

Google Chrome Extension


Native Contact Management
(Personal Contacts, Company Contacts)

Audio Conferencing

WebRTC Audio Call

Function Keys on Web Client


Select & Dial with Hotkey on Desktop Client

Door Phone Video Preview


Voicemail Transcription

Group Voicemail

Voicemail to Email

Pop-up URL

Microsoft Teams Integration(via Call2Teams)

Headset Integration

Instant Messaging

Personal and Group Chat

File Sharing

Rich Emojis

Cross-client Synchronization

Remote Access Service Since the Cloud Edition is inherently accessible from anywhere, Remote Access Service is only for the Appliance & Software Edition

Custom PBX Domain Name (FQDN)

PBX Web Portal Remote Access

Linkus UC Clients Remote Connection

LDAP Server Remote Access

Function-based Security Control

Remote SIP Service Since the Cloud Edition is inherently accessible from anywhere, Remote SIP Service is only for the Appliance & Software Edition.

Private & Secure Tunnel

Easy Remote SIP Endpoints RegistrationRegister your remote IP phones, branch office PBXs, VoIP gateways, and alike remote SIP endpoints to the PBX easily as if they were deployed on your PBX's intranet.

Granular Security Control

No Port Portwarding & NAT Issues

WebRTC Trunk

Call Center

Switchboard-type Queue Panel

Queue Callback for Reduced Call Abandonment

Real-time Metrics on Wallboard

SLA for Performance Measurement

Insightful Call Center Reports


PBX-native Contacts Management

Separate Permission Control Per Phonebook

CRM Contacts Synchronization

Call Accounting

Custom Rates Applied to Outbound Calls

Analysis Report on Telecom Expenses

CRM Integration

Incoming Call Popups

Auto Call Journal

Click to Call CRM Contacts

Hassle-free Integration

Support for Hubspot, Zoho, Salesforce, Bitrix24, and Odoo

Helpdesk Integration

New Ticket Auto-creation

Click to Call

Incoming Call Popup

Auto Call Journal

Contacts Synchronization

Support for Zendesk and Zoho Desk

Microsoft 365 Integration

Azure Active Directory Integration

User Sync & Single Sign-on (SSO)

Microsoft Teams Integration

Outlook Integration


PBX Configuration

Call Control

uaCSTA Control

Event Notification

Hotel PMS

Windows Active Directory Integration

User, Organization Unit, Group Synchronization

Auto Extension Assignment for New User

Single Sign-on (SSO)

Faster and Easier Administration

Video Conferencing

Bulk Email & Instant Link Invitation

HD Audio and Video

Screen Sharing

In-meeting Team Chat

Video Calls

Video Calls on Linkus Web Client

Video Calls on Linkus Desktop Client

Video Calls on Linkus Mobile Client (iOS)

Flexible On-premise and Cloud Deployment Options

Cloud Edition

Cloud Edition

Get started in minutes with your communications in the cloud. Zero upfront with unlimited user scalability.

Software Edition

Software Edition

Available to deploy on your own on-prem, public or private cloud server. Supporting up to 10,000 users.

Appliance Edition

Appliance Edition

Arrive out-of-box ready with field-upgradable modular design. Supporting tens to hundreds of users.

Business big & small
love Yeastar


We chose Yeastar over Avaya and other brands because Yeastar remains ahead with the essentials that we were asking for.

Love Yeastar

It’s everything we need to get work done, with new levels of performance and security. The ideal mix of functionality and services not only make our customer services easier, but cut our communications costs by half!

Love Yeastar

Yeastar help us established remote connections for a 300-staff team. We are very satisfied not only for the product itself but also for the speed and availability of the technical service.

Love Yeastar


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