Linkus is a VoIP softphone designed to give mobile functionality to Yeastar Cloud PBX, an enterprise-grade business telephone system

Linkus download and documentation center

Free to download Softphone for Easy Communications and Collaboration Anywhere Anytime.

Linkus is designed for Yeastar Cloud PBX , get yours now

Linkus Download

Download for Mobile

Latest version

Latest version

Download for Desktop

Latest version

Latest version

Linkus Features

HD Voice Calling

Easily click to make, hold, mute, transfer and record a call to any phone number or extension. Missed a call? No worries, we keep all your call history right at your fingertips.

Call Forwarding

Reduce caller frustration and wait times by automatically forwarding calls to extension, mobile number, voicemail or any designated destination when you can’t accept a call.

Instant Messaging for Instant Result

When you’re not available for a call, simply type your colleague(s) a quick message and have an instant sharing of ideas regardless of where you are.

File Sharing

Simply click on the Document icon on your chat box and you can choose any type of files to share. Super easy and secure.

Rich Presence Information

See who is available, busy or offline immediately and intuitively with colored status indicator. Customized presence message allows your colleagues to know when and how best to contact you.

Do Not Disturb

Need a hassle-free environment? Switch to Do Not Disturb Mode and concentrate on your urgent tasks without telephonic disturbances.

Full Enterprise Directory

View all your colleague contacts and see details – extension, mobile number, and personal profile picture will all be unfolded with a simple click.

Company & Personal Contacts

Efficiently create, manage, and dial your Company/Personal Contacts synced across Linkus Desktop/Mobile Client, IP Phone and PBX.

Click to Call Chrome Extension

Make calls directly from your browser. Every phone number on the web is converted to a clickable link with Yeastar Click-to-call Chrome Extension.

Select & Dial with Hotkey

Select a phone number from anywhere on your computer – whether it be a local document, or other software-based applications – and easily dial out by pressing hotkey.

Seamless CRM Integration

Call-pop and call journal from your Salesforce CRM, Microsoft Dynamics 365, Outlook Contacts and Google Contacts. Keep synced with your contact information when they calling in. More CRM support are coming.

CTI for Remote Desk Phone Control

Turn Linkus Desktop Client (in CTI mode) into a visual control panel for your hard desk phone! Enjoy easy call operations on Linkus without sacrificing your desk phone calling experience.

Linkus Document

Release notes for Linkus clients on iOS, Android, Windows and MacOS

Helps users to understand the full potential capabilities of Linkus UC


Provide information on frequent questions or concerns on Linkus UC