Cloud Phone System For Modern Businesses

Business Mobility Made Possible with Linkus UC Client

The Application That Helps You Stay Connected Anytime, Anywhere, On Any Device

Linkus on Windows & Mac

Experience the power of Unified Communications on your desktop or laptop

Linkus on  iOS and Android

Enjoy the freedom of working on the go, with remote extensions on your mobile device

Linkus on Browser

True flexibility achieved with access to your remote extension via any web browser

With the working landscape shifting towards an increasingly agile and distributed workforce, a stable and secure remote connection to colleagues and collaborators has never been more vital. 

Linkus UC Clients allow users can work  anywhere with integrated voice, messaging, conferencing and more – from virtually any device, making real-time business communications and collaboration a breeze.

The UC Client Made To Enhance Your Yeastar Cloud PBX Experience

Yeastar Cloud PBX Standard (S - Series)

Experience the ultimate convenience of doing business anywhere, on any device, with the S-Series Cloud PBX and Linkus UC softphone. From basic call routing and IVR, to advanced call conferencing and recording, the S-Series Cloud PBX provides you with all-inclusive enterprise-grade PBX features to keep your business communications at an optimum.

Yeastar Cloud PBX Premium (P - Series)

Everything the S-Series can do and more, the P-Series Cloud PBX is your PBX solution on steroids. With enhanced collaboration and management tools made available, the P-Series Cloud PBX offers a more sophisticated user interface for better reporting, call-center management and user experience.

Thousands of Users in Singapore use Linkus to do business

Linkus for Android

Make your Android mobile phone an office extension and connect with your colleagues and customers anywhere anytime

Linkus for iPhone

Make your iOS mobile phone an office extension and connect with your colleagues and customers anywhere anytime

Linkus for Windows

Access to enterprise-grade telephony features from your Windows desktop. 

Linkus for MacOS

Access to enterprise-grade telephony features from your Mac desktop. 

Linkus for Chrome

Available only with the P-Series, make and receive calls and easily access all key phone system features directly through the web browser. 


Designed for Yeastar Cloud PBX, Linkus UC Client transforms your desktop and mobile device into a fully-featured office extension for convenient communication, and powerful collaboration.

User Login

Instantaneously receive user login credentials via email once the extension has been deployed by the adminstrator.

Log in conveniently via any web browser for access to the user portal.

Event Center

Determine what events and logs are to be recorded and/or have notifications sent.

Specify particular notifications to be sent to respective authorized personnel.

User Login

Access and manage user settings for softphone application and voicemail.

Manage call routing and presence status for your individual extension.

Retrieve or download your personal call logs and recordings.

User Login

Receive your log-in credentials and set-up guide via email, sent by your admin.

Log-in on any web-browser to get started with PBX set-up.

Configure contacts and personal settings from the web portal.

Auto Provision

Add, remove, or modify IP phone settings from your web interface.

Upgrade IP phone firmware conveniently from your PBX.

Upload various default setting parameters specific to respective IP phone models for greater convenience during set-up.


Store, retrieve, and share company contact details easily on your PBX.

Have detailed contact information for your vendors and clients conveniently stored .

Bulk add a list of contacts instead of having to key details in individually.

PBX Monitor

Monitor the status extensions, whether they aren idle, in use, or unavailable.

Know whether your SIP Trunk running properly, or experiencing problems.

Monitor the number of call conferences currently running on your PBX, and their individual durations.


Check for and download firmware upgrades to ensure that your PBX is always up-to-date.

Perform back-ups to prevent data and settings from getting lost.

Perform troubleshooting on your own to debug.

Call Detailed Report

All call log activities are stored, with the option of having audio conversations recorded by default or for specific extensions.

Filter by date, time, or extension number to retrieve specific call logs or recordings

Playback call recordings directly from the PBX or download to store externally.

User Permission

Set up vaious groups of users for allocation to certain sets of access rules.