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Phone System

Easy-first unified communications with voice, video, message, customer experience and more, all in one place.

Unified Communications. Yeastar P-Series Phone System

Embrace Boundless Communications

Easy to use, optimal, and scalable, Yeastar P-Series Phone System reinvents how business connects by converging calling, meeting, omnichannel messaging, integrations, and more in one simple solution, breaking down the boundaries of distance, platforms, and systems.

Call, Meet, Chat, from 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 Screenshots

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.

Call Operator Panel

Monitor all call activities in one view

Drag-and-drop call dispatch (Redirect, Transfer, Park, etc.)

Check employee availability with presence

Next-level call management efficiency

Included for every user, ideal for operator

For next-level call
management efficiency


Video Conferencing

No-hassle, web-based video conferencing

Meeting schedule, screen sharing, chat

Full host controls, waiting room & passcode protection

No downloads. Join via link from web browser

Stay secure, interactive, and in control

For seamless customer
and team meetings


Team Chat

Instant messaging with 1:1 or group chats

Send files, documents, pictures, emojis

Switch to phone or video with a tap

Cross-client sync. Respond from any devices

One unified app for call, chat, and conference

For chats, file sharing,
and team collaboration


Enhanced Customer Experience

Empower your teams to deliver exceptional customer services across multiple channels with rich contact center features.

Enable productive call center


Automatic call distribution, queues, wallboard, agent coaching, call recording, queue callbacks, reports, and more advanced call center features. Learn more

Add SMS & WhatsApp messaging


Connect your SMS trunks and WhatsApp accounts to send, receive, and manage all your business messages in one simple interface. Learn more

Convert visitors to leads


Let your visitors call you for free with just a click from your website or on your own applications. The setup is easy with the PBX’s inbuilt WebRTC and SDK features.

Know who’s in touch


Rich CRM and helpdesk integrations to quickly identify who’s calling or as messages come in, sync customer interaction records, and more. Learn more

Yeastar P-Series Phone System Call Center Wallboard Screenshot

Yeastar P-Series Phone System omnichannel messaging inbox for SMS and WhatsApp Messaging

Convert Visitor to Leads

Know Who's in Touch

Yeastar P-Series PBX Integrations: Microsoft Teams, HubSpot, Zendesk, Salesforce, Zoho, Odoo, Oracle, and more

Powerful Integrations, Streamlined Workflows

Easily streamline your workflows and empower your teams with ready-made integration with Microsoft Teams, popular CRMs, helpdesks, hotel PMS, and other business platforms.

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

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 own speed with flexible deployment options and industry-leading feature set. Download Datasheet

Standard Plan Enterprise Plan Ultimate Plan

Deployment Mode Appliance Appliance, Software,
Appliance, Software,

Telephony Features

Call Forwarding

Call Monitoring (Listen/Whisper/Barge-in)

Call Parking

Call Pickup

Call Transfer (Attended/Blind)

Call Waiting

Call Flip/Switch

IVR (Multi-level/Multi-lingual/Time-based)


Ring Group

Paging & Intercom

Conference Rooms

CDR & Basic Reports

Dial by Name


Caller ID

CID-based & DID-based Call Routing

DID (Direct Inward Dialing)

DND (Do Not Disturb)

DOD (Direct Outward Dialing)


Business Features

Call Recording

Call Allow/Block List

BLF Support

Busy Camp-on

Business Hours & Holidays


Custom Prompts

Distinctive Ringtone

Music on Hold

MOH Playlist & Streaming

T.38 Fax

TAPI Driver

Fax to Email


Group Voicemail

Voicemail to Email

LDAP Server

PIN List

Speed Dial

Emergency Number

Emergency Notifications

SIP Forking

IP Phone Concurrent Registrations

CTI for Desk Phone Control

Function Keys


Administration & Security

Web-based Management Portal

Graphical Dashboard

Auto Provisioning

Bulk Import & Export

Extension Group & Organization

User Role & Permission

Operation Logs

Event Logs

Event Notifications

Backup and Restore


Built-in SMTP Server

AMI (Asterisk Manager Interface)

Network DriveOnly supported on the Appliance Edition

SNMP Support


Hot StandbyThis feature is only supported by the Appliance and Software Edition and it requires an additional PBX redundancy server to function. For more information, please contact us.


SRTP & TLS Call Encryption

Auto & Static Defense

Global Anti-hacking IP Blocklist


Password Policy Enforcement

Two-factor Authentication (2FA)

Allowed Country IP's & Codes

Outbound Call Frequency Restriction

Unified Communications

Linkus UC Clients

Linkus Web Client

Linkus Mobile Client (iOS & Android)

Linkus Desktop Client (Windows & MacOS)

Linkus Google Chrome Extension

Operator Panel

Unlimited Users

Dispatch Active Calls
(Redirect, Transfer, Hang up, Park, Monitor)

Monitor Call Status
(Inbound, Outbound, Extension, Parked Calls, etc.)

Unified Presence

Control Extension Presence


Custom Presence description

Personal & Company Contacts

Audio Conferencing

Voicemail Transcription

Call Pop-up URL

Door Phone Video Preview

Team Chat

1:1 or Group Chat with Colleagues

File & Image Sharing

Push Notification

Sync Across Linkus UC Clients

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)

Remote & Secure PBX Web Portal Access

Linkus UC Clients Remote Connection

LDAP Server Remote Access

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

Hassle-free Remote SIP Registration Register 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.

WebRTC Trunk

No Port Portwarding & NAT Issues

Call Center

Advanced Skill-based Routing & Queue Callback

Switchboard-type Queue Panel

Real-time Wallboard

SLA Monitoring & Threshold Notifications

Insightful Call Center Reports

Omnichannel Messaging

Unlimited SMS Trunks & WhatsApp Accounts Integration

Central Message Inbox

Automatic Contacts Matching

Message to Queue

Chat Assignment & Transfer

Elevate Chats to Calls in One Click

Message Detailed Records

Trunk SMS API for ITSP


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

Voicemail Annoucement

Call Notification for Group Voicemails

Listen to Messages & Call Back Directly over the Phone

Never Miss an Urgent Message

Ideal to Support Emergency After-hour Services

CRM Integration

Click to Call CRM Contacts

Incoming Call Popups

Auto Call Journal

Contacts Synchronization

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

Helpdesk Integration

New Ticket Auto-creation

Click to Call Helpdesk Contacts

Incoming Call Popup

Auto Call Journal

Contacts Synchronization

Support for Zendesk and Zoho Desk

Microsoft 365 Integration

Microsoft Teams Integration

Outlook Integration

Microsoft Entra ID (Azure Active Directory)

User Sync & Single Sign-on (SSO)

Remote ArchivingThe Cloud Edition requires Ultimate Plan to use the Remote Archiving feature.

Archive Files to External Servers

Call Recordings Archival

System Backups Archival

Support FTP, SFTP, Amazon S3, Google Cloud Storage

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

Linkus Client SDK

Integrate voice calling to any application easily

Web/Browser SDK

Mobile & Pad SDKs: Android, iOS

Desktop SDKs: Windows, MacOS

Feature-rich voice experience HD Calling, Call Control, Call Recording, Call History, Notifications, and more features

Rich, Programmable Code Samples and UI

Secure Authentication with Tokens

Faster and standarized development

Disaster Recovery The disaster recovery feature is supported on the Software Edtion only and requires an additional PBX redundancy server to function. For more information, please contact us.

Cross-region Active-standby Redundancy

Automatic Failure Detection & Fallback

Real-time Data Replication

Secure SD-WAN or VPN Remote Networking

Disaster Recovery The disaster recovery feature requires an additional PBX redundancy server to function. For more information, please contact us.

Cross-region Active-standby Redundancy

Automatic Failure Detection & Fallback

Real-time Data Replication

Secure SD-WAN or VPN Remote Networking

Hotel PMS Integration *Not supported by the Cloud Edition and the P520 appliance model. Optional

Room Status Synchronization

Wake-up Call Scheduling

Call Accounting & Minibar Charging

Guest Information and Room Move

Fexible On-premise and Cloud Deployments Options




Starts in minutes with least upfront. We take care of all the server-side hard work for you.


Complete hands-on control. Deploy the PBX in your own private or public cloud server.




Out-of-box PBX appliance with field-upgradable modular design and flexible interfaces.


Software with easy scalability. Deploy the PBX on your choice of local hardware or virtualized server.

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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Interested in P-Series PBX System? Tell us your specific needs.

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