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P-Series Phone System 30-Day Free Trial

Free TrialWant to see P-Series Phone System in action?

Fill in the form to start your 30-day free trial, with which you will receive 10 extensions and 10 concurrent calls to unlock a seamless communication experience.

A unified system for voice, video, team chat and messaging

Android and iOS apps, Web/Windows/Mac clients

Call Center solution with wallboard & detailed reports

MS Teams, CRM, helpdesk & directory service integration

An omnichannel inbox for SMS and WhatsApp massaging

No risk, no obligation, and no credit card needed. Try now!

Free Trial

Embrace Boundless Communication

Easy to use, optimal, and scalable, P-Series Phone System strikes the perfect balance between elevating business efficiency and easing management.

Linkus UC Clients

Anywhere-Anytime Connectivity

To connect your agile workforce, you just need Linkus UC Clients in place, which are readily accessible through web browsers, your mobile phone, and your desktop. Experience next-level efficiency with presence, chats, and more. Wherever you go, there is your office.

Bring your extension with you and connect anywhere, anytime

Integrated voice, instant messaging, conferencing, and more

Easy call management and abundant business features

Flip an active call between any devices without interruption

Call Center Solution

Higher Call Efficiency. Better Service. Happier Customers

Enjoy multiple efficiency-improving features in one single call center solution to help you handle incoming calls. With all call activities visualized in one place, you will have a whole picture of how your service center is running and spot opportunities to improve.

Real-time monitoring of queue performance in wallboard

Dynamic call routing strategies and customizable IVR options

Queue Panel, Call Monitoring, Recording, Reports, and more

Allow customers to reserve queue positions and receive callback

Omnichannel Messaging

All Customer Messages Under One Roof

lmprove customer interaction by engaging with the channel of their choice. Yeastar omnichannel messaging feature allows you to manage your business SMS texting, WhatsApp messages, and internal chats in one simple interface.

Unlimited SMS trunk & WhatsApp account integrations

Send, receive, and manage all your messages in one place

One unified experience for web, mobile, and desktop users

Easily assign or transfer chats to colleagues for content sharing

High Interoperability

An Open & Interoperable Solution

Besides built-in functionalities, P-Series PBX System can also work with 3rd party systems, including standard SIP endpoints, CRM, collaboration tools, etc., delivering a unified experience with unmatched simplicity and new possibilities.

Conduct in-depth compatibility test with 100+ SIP trunk providers

Bulk-configure via Auto Provisioning with most SIP phones

Connect with PSTN, E1/T1/PRI, ISDN BRI, and analog phones via Yeastar VoIP Gateways

Integrates with MS Teams, popular CRMs, helpdesk, and more

Amazing Features. Flexible Plans. Incredible Value.

Yeastar P-Series Cloud Edition provides two feature plans to fulfill all your possible business needs!
Your free trial will give you unlimited access to all features in Enterprise Plan. Just start with ease and grow.

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

Try Yeastar P-Series PBX System for free. It only takes 30 seconds to get started.

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