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Yeastar Linkus Mobile Client

Yeastar Linkus Mobile Client

by Yeastar

34 ratings
112 reviews
🔧 Utilities
Free

Details

  • Released
  • Updated
  • October 7, 2016
  • September 14, 2026

Features

Developer

Yeastar
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About

Transform your mobile phone into an office extension, enabling seamless communication with colleagues and customers. Make and receive calls using your corporate phone network to reduce costs and maintain an in-office experience from anywhere.

✓Enterprise VoIP calls over Wi-Fi/mobile data
✓Unified corporate identity with one number reach
✓Flexible ring strategies
✓Corporate directory with status indicators
✓PBX features like Call Transfer and Forwarding
✓Push notifications for incoming calls
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+1

What's New in Yeastar Linkus Mobile Client

5.30.6

September 14, 2026

1. Added support for the following interface languages: - Slovenščina (Slovenian) - српски језик(Serbian) - Hrvatski jezik (Croatian) 2. Fixed the caller ID issue: Linkus occasionally displayed "Null" as the caller ID for incoming calls instead of the actual caller ID. 3. Fixed the following call issues: - When answering incoming calls from internal extensions, Linkus was occasionally stuck at "Connecting to the server" state or experienced one-way audio. - When simultaneous ringing on a mobile number was enabled for Linkus, answering an incoming call to the extension on the mobile phone caused the call to be dropped.

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User reviews

Most RecentHighest RatedLowest Rated

Never Works

It doesn’t matter if we’re working remote or in the office, this system does NOT work! We answer the phone and it hangs up on people! The phone doesn’t roll over appropriately when we’re out of the office & displays the wrong time on our office phones daily! 100% would NOT recommend if you have customers and need to communicate with them!
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Tennis nurseTennis nurse

Not ideal

I’m not a fan of this app. My company started using it and I have a continuous issue with not receiving calls on my cell phone. The phone simply doesn’t ring but I can see all the missed calls from
Clients, which is not ideal on client service.
RNarineRNarine

Response from developer

If your Linkus Mobile app is not receiving push notifications for incoming calls. This can happen if: The app was force-closed (killed) before or during a PBX firmware upgrade. Push notifications are disabled either on the PBX extension settings or within the Linkus app itself. The device lacks network connectivity (Wi-Fi or cellular data) when the call arrives. Note: Even if your phone is outside the company network (on external internet), Linkus relies on Apple Push Notification service (APNs) to alert you of incoming calls. If push is blocked or fails, no ringing occurs—but the call is still logged as missed in the PBX. Verified Solutions: Option 1: Ensure Push Notifications Are Enabled on PBX Log in to your PBX admin portal. Go to Extensions > [Your Extension] > Linkus Settings. Confirm that "Accept Push Notifications" is enabled. If disabled, the PBX will not send push alerts to your device, and mobile.log will show: presence set client not allow push. Option 2: Check Linkus App Settings on Your iPhone Open the Linkus app. Go to Settings (gear icon) > Push Notifications. Make sure "Stop Push Notifications" is OFF. If enabled, the PBX logs will show: client set silent, not push. Option 3: Re-launch Linkus After PBX Upgrade If your PBX was recently upgraded to firmware version 83.22.0.134-beta1 or later (e.g., 83.22.0.138/139, 37.22.0.138/139, or 84.22.0.138/139), and you had previously force-quit the Linkus app, you must manually reopen Linkus once after the upgrade to re-establish push registration. Known Issue (Fixed in V23.3-GA): In versions prior to 83.22.0.138 (P-Series Software), if Linkus Mobile was killed before upgrading, push notifications would stop working until the app was relaunched. This is resolved in V23.3-GA, but affected users still need to open the app once post-upgrade. Option 4: Verify iOS System Permissions Go to iPhone Settings > Notifications > Linkus. Ensure Allow Notifications is ON and Sounds are enabled. Also check Settings > Linkus > Background App Refresh is enabled. Additional Recommendation: Ensure your PBX is running the latest V23.3-GA firmware (e.g., 83.22.0.139 for P-Series Software Edition), as it includes critical fixes for push notification reliability and security enhancements. Immediate upgrade is strongly recommended. If the issue persists after applying the above steps, collect PBX mobile.log and send us a detailed description of your problem for our technical support team (helpdesk@yeastar.com) to review. Thank you for your support and understanding.

Greatest app ever

We used this app extensively and is far above all the oters we’ve tried
Yeastar Linkus Big DogYeastar Linkus Big Dog

It’s a lot better than most

This mobile app is much more advanced and stable than your typical VoIP application.
jandrewr042jandrewr042

Great app.

Allowed me to make calls through our business phone number whilst in Europe and Africa.
Jdy haaJdy haa
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FAQ

What does the Yeastar Linkus Mobile Client do?

This application turns your iOS mobile phone into an office extension, allowing you to make and receive calls through your company's Yeastar PBX system. It enables you to communicate with colleagues and customers from anywhere, maintaining a consistent in-office experience while potentially reducing call costs.

What are the key features of this app?

Key features include making and receiving enterprise VoIP calls, a 'one number reach' to conceal your personal number, flexible ring strategies, corporate directory integration with status indicators, and configurable PBX features such as call transfer, forwarding, and do not disturb. It also supports push notifications for incoming calls.

Is this app free to use?

The application itself is free to download and use. However, it requires integration with a Yeastar PBX system, and your administrator must provide the necessary identity information for you to start using the service. There are no in-app purchases or ads mentioned.

What are the system requirements for this app?

The app requires iOS 11.0 or higher. It can operate on 2G/3G/4G or Wi-Fi networks. The application uses standard VoIP protocols like SIP and supports various codecs and network protocols for reliable communication.

How does this app help reduce call costs?

By making and receiving calls through your corporate phone network via Wi-Fi or mobile data, the app allows you to bypass standard mobile voice charges for many calls. This is particularly beneficial for long-distance or international calls managed by your PBX's routing.