# Yeastar Linkus Mobile Client

> VoIP mobile client for Yeastar PBXs, turning phones into office extensions. (iPhone/iPad app by Yeastar.)

- Source: https://appshunter.io/ios/app/yeastar-linkus-mobile-client/id1158760574 (this page in markdown: same URL + `.md`)
- Developer: [Yeastar](https://appshunter.io/developer/756760354)
- Category: Utilities
- Price: Free
- Rating: 3.80/5 from 31 App Store ratings · 110 written reviews indexed
- Age rating: 4+
- Requires: iOS 15 · 69 MB
- Languages: American English, Czech, Dutch, French (France), German (Germany), Greek, Hungarian, Italian, Japanese, Polish and 8 more
- Released: 2016-10-07
- Data updated: 2026-08-19
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/yeastar-linkus-mobile-client/id1158760574/reviews.md

## What is Yeastar Linkus Mobile Client?

Linkus is a VoIP Mobile Client coordinated with Yeastar PBXs that makes your iOS mobile phone an office extension and links you and your colleagues and customers anywhere anytime. Make and receive calls through corporate phone network to slash call costs and enhance efficiency with consistent in-office experience.

Key Capabilities
-	Make and receive enterprise VoIP calls over your Wi-Fi or mobile data networks to lower mobile voice charges
-	One number reach to conceal your personal mobile phone number and ensure unified corporate identity
-	Set up flexible ring strategy for Linkus and the desktop phone
-	Select different outbound routes for different destinations (local/long-distance/international, etc.)
-	Corporate directory integration with lookup and visual status indicator (available/unavailable/busy)
-	Configurable PBX features including Call Transfer, Call Forwarding, Call Waiting, DND, and Ring Timeout
-	Support Push Notifications to alert users of incoming calls while conserving energy

Main Features
Call Forwarding
Call History
Call Route Selection
Call Transfer
Call Waiting
Contact Management
Corporate Directory
Do Not Disturb
Extension Status
Hold & Resume
Native Contacts Integration
One Touch Recording
Outbound Route Selection 
PUSH Notification
Ring Strategy Selection
Speed Dial/Favorite
Voicemail

Specifications
iOS Requirement: iOS 11.0 or higher
Network: 2G/3G/4G or Wi-Fi
Protocol: SIP FRC2361
Codec: iLBC/u-law/a-law/G722/G729
Network Protocol: TCP/IP/UDP, RTP/SRTP/RTCP, HTTP/HTTPS
DTMF: Inband, RFC4733 (RFC2833), Info

Important:
This application is integrated with Yeastar PBXs; your administrator must provide you with identity information for you to start using.

## Key features

- 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

## Recent user reviews (10 of 110)

All indexed reviews: https://appshunter.io/ios/app/yeastar-linkus-mobile-client/id1158760574/reviews.md

### 5/5 — Greatest app ever

*2026-06-02, version 5.26.15*

We used this app extensively and is far above all the oters we’ve tried

### 5/5 — It’s a lot better than most

*2026-05-18, version 5.25.15*

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

### 5/5 — Great app.

*2026-05-09, version 5.25.15*

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

### 5/5 — Best phone app Iv used

*2026-05-09, version 5.25.15*

Iv had a few phone system apps and this is by far the best so far very impressed

### 5/5 — Excellent

*2026-05-09, version 5.25.15*

Really great and easy to use, certainly better than others I have used in the past

### 2/5 — Call merge

*2026-01-10, version 5.21.3*

Doesn’t have call merge feature. Can that be added in future update to instantly merge 2 incoming calls into conference.

### 2/5 — Salta e crasha

*2025-12-02, version 5.20.3*

Problemi di stabilità, non si può far affidamento finché non fanno un aggiornamento serio

### 1/5 — คู่สนทนาไม่ได้ยินเสียง

*2025-11-19, version 5.20.3*

ไม่ผ่านค่ะไม่เริ่สจะคุยงานคุยไม่ได้สักทีได้ยินแต่คู่สนทนาฮัลโหลหูแทบแตกเขาก็ยังไมาได้ยิน

### 1/5 — Non si riesce a rispondere

*2025-10-30, version 5.19.7*

Le chiamate entrano, squillando ma non si riesce ad aprire la comunicazione.

### 1/5 — Non funziona

*2025-07-16, version 5.16.6*

Dall'ultima versione non funziona piu risolvete presto grazie

## Frequently asked questions about Yeastar Linkus Mobile Client

### 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.

## Version history (last 5 releases)

### 5.28.8 — 2026-07-28

Optimized the network anomaly notifications: The interval of Poor Network Connection notifications is extended from 15 seconds to 30 seconds to reduce pop-up notification frequency during calls under poor network conditions.

### 5.27.18 — 2026-07-02

1. Added support for Catalan interface language.
2. Added support for Monitor Call Quality feature (Path: Call → Account→Monitor Call Quality). When enabled, Linkus automatically collects the call quality data during a call and generates a call quality monitoring report after the call ends. You can view and download the report from the corresponding call log.
3. Added support for setting up call panel type (Path: Call→Account→Settings→Call Panel Type), allowing you to choose different call panel layouts based on your preference.
4. Optimized user interface to improve user experience:
     - Dialpad: Moved the dialpad from a floating icon to a standalone menu.
     - Account: Adjusted the following feature entries for quicker feature access.
       - Moved the Account Management entry from Account→Settings to the Account page.
       - Added a QR Code Login entry to the Account page, which allows you to quickly scan a QR code to login.
     - Call Recording: When a call is being recorded, a recording indicator icon is displayed on the call screen.

### 5.26.15 — 2026-05-25

1. Added compatibility with AI Receptionist feature:

   - When receiving an AI receptionist-transferred call, the incoming call window displays a From AI Receptionist tag.
   - After answering the call, the call window shows the AI receptionist-generated call transcript and summary, as well as collected customer information.

   Note:

   - The information is visible only to the first person who answers the transferred call. It is no longer displayed after the call becomes a multi‑party call or is transferred again.
   - Whether customer information is displayed depends on the AI Receptionist configuration on the PBX.

2. Optimized External Chat feature: For a WhatsApp session, if no matching number is found among existing contacts, Linkus uses the recipient's WhatsApp profile name as the session name.

   Note: The session name updates only when the recipient replies to your message.

### 5.25.15 — 2026-04-24

1. Added compatibility with the following system-level configurations.
   - Added support for logging in to Linkus client using your extension number when connecting to a P-Series Cloud PBX, depending on the allowed login method configured by the system administrator.
   - When you receive a call forwarded from another extension, the original extension's name and number may be displayed on the call screen based on the Caller ID display strategy configured by the system administrator.
   - When you create a session on an SMS or WhatsApp channel, but another session with the same sender and receiver already exists on the channel, a prompt may appear based on the system administrator's messaging channel settings. If you continue, you will take over the session from the original handler, along with the complete chat history.
2. Added support for setting Linkus client as the default calling app on devices running iOS 18.2 or later. Once set, you can tap a phone number recognized by your mobile device and select Call to initiate the call directly via the Linkus client.
3. Optimized Voicemail feature:
   - Added support for forwarding voicemails to specified extensions.
   - When you dial feature code to play a voicemail forwarded from another extension, the Linkus client will play a voice prompt that includes the number of the extension from which the voicemail was forwarded.
4. Optimized Chat feature: 
   - If a text message is recognized as a phone number, tapping the number will show two call options (Linkus and Dial through Mobile). You can select Linkus to make a call via the Linkus client using your extension number, or select Dial through Mobile to make a call using the mobile's default calling app.
   - If a text message is recognized as a link, tapping the link will automatically redirect to the corresponding web page in Linkus client.
5. Optimized incoming call display policy: When Focus Mode is enabled on your iOS device, Linkus incoming calls will appear as silent notifications in the Notification Center to notify you.

### 5.24.14 — 2026-04-02

1. Added compatibility with the following system-level configurations.
   - If system administrator has set Linkus Mobile Client Concurrent Registrations to a value greater than 1 for your extension, you can log in to multiple Linkus Mobile Clients simultaneously.
   - If the system administrator has configured a remark for a speed dial number on the PBX server, when you dial the speed dial number using feature code, the remark will display below the phone number on the call screen.
2. Added support for managing all Linkus UC Clients logged into your extension.
3. Fixed the call log issue: Linkus did not display call logs when connected to S-Series PBXs.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-19.*