Explore our IP PBX lineup. Find the perfect fit.

Base Users / Max Users 50

Max Concurrent Calls 25

Max FXS Ports 8

Max FXO/BRI Ports 8

Max GSM/3G/4G Ports 4

Max E1/T1/J1 Ports

Base Users / Max Users 100 / 200

Max Concurrent Calls 30 / 60

Max FXS Ports 8

Max FXO/BRI Ports 8

Max GSM/3G/4G Ports 4

Max E1/T1/J1 Ports 1

Base Users / Max Users 300 / 500

Max Concurrent Calls 60 /120

Max FXS Ports 16

Max FXO/BRI Ports 16

Max GSM/3G/4G Ports 6

Max E1/T1/J1 Ports 2

Voice, video, message, customer experience, in one IP PBX.


Linkus UC Clients

Feature-rich UC app for seamless collaboration. Available on web, desktop, and mobile.


Operator Panel

Gain real-time visibility into call flows. Dispatch calls with easy drag-and-drop.


Call Center Console

Equip agents and supervisors with useful tools like IVR, Operator Panel, Wallboard, and more.


Remote Working

Work from anywhere and stay connected with secure remote access.


Omnichannel Messaging

Go beyond just voice. Engage customers through SMS and WhatsApp messaging.


Video Conferencing

Meet face-to-face through HD audio and video.

Flexible Modular Design.
IP PBX Scalability Made Easy.

The telephony interfaces are completely modular and customizable. Use telephony modules, expansion boards, and DSP modules to easily add more telephony interfaces and expand system capacity.

Telephony Modules

Telephony Modules


S2 Module: 2 FXS ports to connect 2 analog telephones

O2 Module: 2 FXO ports to connect 2 analog PSTN lines

SO Module: 1 FXS port and 1 FXO port for PSTN fallback

B2 Module: 2 NT/TE BRI ports

GSM/3G Module: 1 channel for GSM voice calls

4G LET Module: Enable 4G cellular data on SIM card

Add Telephony Interfaces

Add Telephony Interfaces


To add more telephony interfaces, go for the expansion boards.

EX08 has 4 onboard module slots and 8 interfaces on the panel, while EX30 has 1 onboard E1/T1/PRI port.

P560 supports one expansion board and P570 allows two.


Expand System Capacity


As your business expands, more uses and concurrent calls can also be added easily to meet growing needs.

Each DSP module gives you an extra 100 VoIP users and 30 concurrent calls, and you can add up to 1 DSP module to your P560 and up to 2 DSP modules to your P570.

lexible Modular Design


The perfect blend of IP PBX reliability, flexibility, and security

Intuitive user interface: easy to adopt, use, and manage

Queue Callback, call flip, call recording, and more

Compatibility tested with 120+ ITSPs worldwide

IP Phone Auto-provisioning support for 270+ models

Seamless interoperability with PSTN, ISDN, E1/T1/PRI, and analog

Hot Standby: dual-server redundancy with real-time data sync

Multi-layer security measures: 2FA, Auto & Static Defense, etc.

Robust and ready-made IP PBX integrations

Integrate Yeastar IP PBX to collboration tools, CRM, helpdesk, and more and enhance your existing infrastructure. Enjoy the flexibility and tailored experiences enabled by a robust app ecosystem.


Ready to empower any industry verticals


The comprehensive hospitality solution designed to help automate workflows, streamline operations, and elevate guest experiences.



Build secure and reliable school and campus communications. Bring students and faculty together anywhere, anytime.



Enable instant communication between doctors, nurses, administrators, and support staff. Improve patient experience with faster response.



User-friendly, reliable, and cost-effective phone system for government agencies to upgrade communication infratusrtucture and boost productivity.


Determine which plan suits you the best

Discover the ideal plan for your business needs, complemented by a wide range of powerful IP PBX features.

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


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)


PBX Configuration APIs

Call Control APIs

uaCSTA Control APIs

Event Notification APIs

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 IntegrationOptional

Room Status Synchronization

Wake-up Call Scheduling

Call Accounting & Minibar Charging

Guest Information and Room Move

*Each appliance model comes with these built-in features:
Telephony Features, Business Features, Administration & Security, and Unified Communications.


250,000 PBX Installed in 120+ Countries

Contact our sales experts and get a free quote