Release Notes for Linkus (Android)

Version 4.11.6

Date: May 4, 2023
  • Fixed the issue that failed to answer calls on Linkus.

Version 4.10.6

Date: December 7, 2022
  • Improved the Linkus stability.
  • Fixed the call issue: Failed to make outbound calls with a prefix containing *.

Version 4.9.10

Date: November 11, 2022
  • Improved the Linkus stability.

Version 4.9.8

Date: November 7, 2022
  • Added support for Android 12 adaptation.

Version 4.9.6

Date: September 14, 2022
  • Added support for setting Linkus as the default phone app.
    To achieve this, open Settings on your phone, go to Apps > Default apps, then set Phone app to Linkus.
    Note: The path may vary depending on your phone model.

Version 4.8.9

Date: June 2 ,2022
  • Fixed the push notification issue of Linkus calls: Push notifications did not take effect when users received a new call.

Version 4.8.6

Date: May 11, 2022
  • Added support for Restrict External IP.

    With Restrict External IP enabled, the system will reject incoming calls from IPs that are neither LCS-registered nor LAN IPs (Path: Me > Settings > Advanced ).

Version 4.7.6

Date: April 6, 2022
  • Moved Codec and ICE to Me > Settings > Audio Options.
  • Optimized user interface to improve user experience.

Version 4.6.8

Date: January 12, 2022
  • Added support for Portuguese (Brazil) interface.
  • Fixed the issue of call logs: If ring group members rejected a second call during a call, talk duration for the current call would display incorrectly.

Version 4.5.11

Date: December 17, 2021
  • Improved Linkus stability.

Version 4.5.10

Date: November 15, 2021
  • Fixed the issue that failed to make a call using IPv6.

Version 4.5.6

Date: October 21, 2021
  • Added support for multiple accounts, which allow you to switch between accounts without having to log out and log back in (Path: Me > Settings > Account Management).

  • Optimized audio experience in busy tone.

Version 4.4.14

Date: September 24, 2021
  • Improved the Linkus stability.

Version 4.4.10

Date: August 23, 2021
  • Added Ringtone option: Users can set a specific ringtone for Linkus to distinguish Linkus calls from phone calls (Path: Settings > Audio Options > > Ringtone).
    Note: The available ringtones are synchronized from your phone.
  • Added Vibrate option: Users can decide whether to enable vibration for Linkus calls (Path: Settings > Audio Options > Vibrate).
    Note: The option does not affect vibration setting of phone calls.
  • Added support for using Linkus to call phone numbers that are detected on a web browser.
    Note: To achieve this, make sure web browser supports detecting phone numbers and making calls from the phone or any software installed.
  • Optimized Mi Push.
  • Optimized visual experience of Linkus under Full-Screen Display.
  • Optimized user experience in receiving a second call during a call.
  • Optimized call quality.
  • Fixed the following Caller ID issues:
    • When an incoming call from a transferor reached Linkus, Linkus didn't display the original caller's number.
    • With Fuzzy Matching Caller ID enabled on PBX server, if Caller ID didn't exactly match the phone number stored, the contact name could not be displayed on callee's phone.

Version 4.2.7

Date: May 13, 2021
  • Added support for adding + as the prefix number.
  • Added support for following system settings.
  • Optimized Russian login interface.
  • Fixed the issue of Linkus calls: When a new call arrived during a call, Linkus automatically picked up the new call after the caller of previous call hung up.
  • Fixed the issue of call failure: When calling back from Linkus call logs, a user got a prompt' Number can not be empty'.

Version 4.1.7

Date: April 8, 2021
  • Fixed the issue that the volume of phone receiver was too low during a call.

Version 4.0.7

Date: March 25, 2021
  • Added support for switching audio to the speaker or a bluetooth device by clicking during a call.

  • Added support for Nederlands (Dutch) interface.
  • Optimized user interface to improve user experience.
  • Fixed the display issue of time: If a phone was set to 12-hour time, the time of call logs would display incorrectly.

Version 3.7.5

Date: February 24, 2021
  • Added support for the following codecs: u-law, a-law, iLBC, G722, and G729. If you suffer from bad call quality, try to solve it by adjusting codec (Path: Me > Settings > Advanced > Codec.
    • A codec works only when it is enabled on both Linkus and PBX server.
    • PBX server must meet the following version requirements:
      • S-Series VoIP PBX: or later.
      • K2 IPPBX: or later.
      • Cloud PBX: or later.

Version 3.6.9

Date: January 18, 2021
  • Fixed the issue that duplicated extension numbers caused the destination error of When Busy.

Version 3.5.11

Date: December 14, 2020
  • Optimized Android Push.
    Note: The version requires support from server of the following versions:
    • S-Series VoIP PBX: or later.
    • Cloud PBX: or later.
    • K2 IPPBX: or later.

Version 3.5.3

Date: November 5, 2020
  • Optimized problem-reporting feature: When reporting a problem, users must describe the problem in detail.
    Note: 10-500 characters are required.
  • Adjusted compatible version: Android 5.0 or later.
  • Fixed the issue that bluetooth would disconnect during a call.
  • Fixed the issue of repeated calls: If you double tapped a call log, Linkus would make two calls and generate two call logs.

Version 3.4.18

Date: October 12, 2020
  • Added compatibility with Yeastar P-Series PBX System.
  • Added support for using NFC to change the IP address of Yeastar P-Series PBX System.

    For more information, see Change the IP Address of the PBX.

    Note: Make sure your phone supports NFC feature.
  • Added support for Slovak interface.
  • Fixed the issue of call delay and inconsistent call logs.

Version 3.3.21

Date: September 24, 2020
  • Improved user experience.

Version 3.3.20

Date: September 14, 2020

  • Improved the Linkus stability.

Version 3.3.8

Date: July 29, 2020

  • Added support for Czech interface.
  • Added support for Spanish interface.
  • Added support for multi-party calls: Users can have an ad-hoc conference call with 2 or more participants; every user can invite up to 3 participants to join the call.
    Note: The feature requires support from server. The server version must meet the following requirements:
    • S-Series VoIP PBX: or later.
    • K2 IPPBX: or later.
    • Cloud PBX: or later.
  • Optimized Contacts feature: Last Name setting is optional.
  • Added support for deleting all call logs.

Version 3.1.8

Date: April 29, 2020
  • Added compatibility with Dark Mode: With Dark Theme enabled on Android system, Linkus can run in dark mode.
    Note: The feature requires support from Android system:
    • Android 10 or later: Support Dark Mode.
    • Android 9 or earlier: Only few Android models support Dark Mode (Go to Settings > Display to check if your phone supports Dark Mode).
  • Added support for copying phone number on Call History Details page.

  • Added support for Hungarian interface.
  • Added support for Traditional Chinese interface.
  • Fixed the issue that the phone didn't ring when receiving an incoming call from Linkus.

Version 3.0.9

Date: March 25, 2020
  • Added support for Car Bluetooth switch: When enabled, if the car bluetooth is connected to Linkus, you can answer or hang up incoming calls on the car screen.
    Note: Go to Me > Settings > Advanced Options > Car Bluetooth to enable this feature.

Version 3.0.4

Date: March 18, 2020
  • Added support for adjusting the volume of the audio received and transmitted (Path: Me > Settings > Audio Options > Audio Gain Control).
    • For Audio Received: Adjust the volume of the audio received.
    • For Audio Transmitted: Adjust the volume of the audio transmitted.
  • Added support for Greek interface.
  • Added support for Turkish interface.
  • Optimized user experience in Contacts and Call History: Added a prompt when the system is loading or fail to load contact entries.
  • Added support for compatibility with bluetooth car kits.
    Note: Android requirement: Version 8.0 or later.
  • Fix the page lag issue: Switching between Phone page (Directory > Contacts) and other pages resulted in page lag.

Version 2.9.6

Date: February 27, 2020
  • Added support for Contacts feature: Contacts allows you to access contacts outside your organization, including personally managed contacts and shared company contacts.
    Note: The Contacts feature requires support from server. The server version must meet the following requirements:
    • S-Series VoIP PBX: or later.
    • K2 IPPBX: or later.
    • Cloud PBX: or later.

Version 2.8.21

Date: February 10, 2020

  • Improved the Linkus stability.

Version 2.8.12

Date: December 17, 2019
  • Optimized Contacts page: If users refuse Linkus to access to phone contacts, and select Never ask again after denying permission, the pop-up window will not display any more.

  • Optimized Call Pickup feature: The original caller's number will be displayed on Linkus when you pick up the call on Linkus.

  • Optimized Conference.
    • Optimized Conference interface.

    • Added offline status for conference members, which indicates that conference members are offline during the conference call.

  • Fixed the following Conference issues.
    • Call Forwarding issue: The call forwarding setting of When Busy didn’t take effect when the extension user was in a conference call.

    • Linkus displayed an incorrect interface when the user received a conference call from host.

    • Display issue of member information.

  • Fixed the issue of pop-up notification: Incoming calls from Linkus could not pop up on Android 10.

Version 2.7.10

Date: October 25, 2019
  • Added support for editing the Presence Information of Do Not Disturb.

  • Added support for searching contacts from both extensions and mobile phone contacts.

  • Optimized the Search Result on Dialpad interface:
    • Added support for clicking a contact on the interface to quickly place a call.
    • Added a contact icon beside the contact. You can click the icon to view the contact details.

  • Optimized Paging/Intercom feature: When receiving an intercom or a paging request, you can decide whether to answer the call or not.
  • Optimized the following user interfaces design:
    • Search interfaces: Call Transfer, Recordings, Conference, and Contacts.
    • Display interfaces: Dialpad interface of ongoing calls, Search Result on Dialpad interface, search interface of Conference contacts, and Contacts.

Version 2.6.7

Date: September 6, 2019

  • Added pop-up window for Linkus update.
  • Added support for copying and pasting phone number onto Dialpad interface to quickly place a call.

Version 2.5.10

Date: July 30, 2019
  • Added support for installing Linkus on 64-bit Android phone.

  • Added support for compatibility with Hot Standby on PBX: After enabling Linkus Cloud Service, you can use Serial Number (SN) of either primary server or secondary server to log in Linkus.

  • Optimized Voicemail and Recordings function.
    • Added support for playing audio files while downloading.

    • Added prompts on the Voicemail/Recordings interface when the Linkus network environment is bad.

    • Optimized Voicemail interface and Recordings interface.

  • Fixed the issue of Linkus stability: After logging in Linkus for the first time, Linkus would crash when you go to Me > Settings > Presence.

Version 2.4.14

Date: June 27, 2019

  • Added support for French interface.
  • Added prompt: During the call, Linkus will display a prompt that indicates bad call quality when the network environment is bad.

  • Fixed the Caller ID issue: If Distinctive Caller ID settings was enabled on PBX, no caller ID would be displayed on Linkus.

Version 2.3.12

Date: April 24, 2019

  • When your mobile phone has no internet,different prompt messages are displayed according to the Linkus usage scenarios.

  • Optimized the prompt messages for call failed errors.

  • Optimized the display order of contact names: The display order of "First Name" and "Last Name" is adjusted automatically according to your mobile language setting.

  • Optimized the User Interface.

Version 2.2.21

Dare: April 9, 2019

  • Fixed known issues.

Version 2.2.8

Date: March 21, 2019

  • Optimized IM function.

    • Improved the user experience of IM function.
    • The unsent messages will be automatically marked as Draft.
  • Optimized Push Notification of Linkus calls.

  • Added support for displaying both incoming caller IDs and incoming caller names.

  • Fixed known issues.

Version 2.1.31

Date: December 29, 2018

  • Optimized call quality.
  • Optimized Google Push of Linkus calls.
  • Optimized Linkus UI.
  • Fixed known issues.

Version 2.1.11

Date: December 11, 2018

  • Added Audio Debugging feature.
  • Added support for turning on and turning off Message sound.
  • Added support for enabling and disabling message notifications on Linkus mobile client.
  • Added support for checking audio transmission status for a current call.
  • Added Terms of Service.
  • Added support for Polish UI.
  • Optimized Google FCM (FireBase Cloud Messaging) for Linkus.
  • Fixed known issues.

Version 2.0.31

Date: November 6, 2018

  • Fixed known issues.

Version 2.0.19

Date: November 1, 2018

  • Added support for forcing logout of Linkus Windows/Mac Desktop.
  • Added support for displaying presence status.
  • Added Chat button on the detailed Call Log page to help you quickly chat with the person.
  • Added support for reporting a problem on Linkus.
  • Optimized call logs.

Version 1.9.6

Date: September 25, 2018

  • Added support for Linkus Cloud Service on Yeastar S-Series VoIP PBX: The S-Series users can use Linkus Chat function and experience better Linkus services.

Version 1.8.26

Date: August 13, 2018

  • Added support for searching contacts when creating a chat group.
  • Added support for viewing the contacts' presence status.
    Note: Server requirement: S-Series VoIP PBX v30.9.0.5 or later.
  • Added support for viewing images and videos in full screen.
  • Optimized voicemail push.
  • Optimized the Linkus interface.

Version 1.8.17

Date: July 26, 2018

  • Fixed the compatibility issue with Android 4.4.

Version 1.8.16

Date: July 20, 2018

  • Added support for Chat feature.
    Note: PBX requirement: Yeastar Cloud PBX v81.6.0.3 or later.
  • Added support for Presence feature.
    Note: PBX requirement: Yeastar Cloud PBX v81.6.0.3 or later.
  • Optimized calling experience on Linkus Android client.
  • Fixed known issues.

Version 1.7.13

Date: May 23, 2018

  • Added Privacy Policy Agreement on the Linkus client.
  • Added supported for inviting multiple members in a conference.
  • Improved the user experience.
  • Optimized audio calls through Bluetooth.
  • Fixed the issue that after you disconnected a Linkus call, there would be no sound on other applications on your phone.

Version 1.6.7

Date: March 5, 2018

  • Added email login method.
  • Added Help documents in Linkus.
  • Improved the login security.
  • Optimized the user experience of receiving calls and ending calls.
  • Optimized call logs.
  • Optimized Debug function.
  • Fixed the recording issue on Android 4.4.

Version 1.5.12

Date: January 26, 2018

  • Fixed the issue that Linkus would log out automatically.
  • Added support for displaying the name of mobile phone contact when a Linkus call comes.

Version 1.5.11

Date: January 18, 2018

  • Added support for MiPush, Huawei Push, and JPush.
  • Added Background Mode setting.
  • Optimized number rewriting feature: users can directly rewrite the contact’s number on Linkus, then dial the customized number.
  • Fixed the Linkus dial pad issue: searching contacts by name could not work when users were trying to add a conference member.
  • Fixed the Linkus dial pad issue: there was no keypad tone when dialing number during conference or making a second-dial.

Version 1.4.9

Date: January 10, 2018

  • Compatible with Yeastar Cloud PBX.

Version 1.4.8

Date: September 27, 2017

  • Fixed the issue that the call answering screen wouldn’t show when the phone was locked and slide to unlock had been enabled.

Version 1.4.7

Date: September 18, 2017

  • Added Call Waiting feature.
  • Added support for Italian and German User Interface.
  • Improved call stability.
  • Optimized Call Push feature and improved success rate of pushing incoming call.
  • Optimized feature for answering a Linkus call via Bluetooth headset: users can answer a Linkus call by pressing the corresponding button on Bluetooth headsets or ordinary headsets.

Version 1.3.8

Date: June 16, 2017

  • Added Conference feature.
  • Optimized Call Push feature: when the phone screen is locked, users can answer incoming calls directly without an unlock operation.
  • Improved Linkus security: users would be forced to change the Linkus login password after login.

Version 1.2.15

Date: May 9, 2017

  • Added support for Russian User Interface.
  • Added compatibility with K2 VoIP PBX Linkus server.
  • Improved the stability of Linkus client.

Version 1.2.7

Date: April 1th, 2017

  • Added support for Turkish User Interface.
  • Fixed the login issue: if you entered both local IP and remote IP in the login page, you could not log in Linkus via an external Wi-Fi network.

Version 1.2.6

Date: March 30, 2017

  • Added support for checking voicemail.
  • Added Linkus debug feature.
  • Added support for Google FCM (FireBase Cloud Messaging) service.
  • Added support for answering and terminating a Linkus call via Bluetooth headset.
  • Deleted “Call Waiting” setting.

Version 1.1.8

Date: February 10, 2017

  • Fixed the issue that the Linkus client could not get time zone for some areas.
  • Fixed the issue users could not log in Linkus client via domain name.
  • Fixed the flashback issue on Linkus client, improved the stability of the Linkus client.

Version 1.1.7

Date: January 18, 2017

  • Added support for logging in Linkus client via QR scan code or login link.
  • Added support for checking and playing one-touch recording files on Linkus client.
  • Added blind transfer feature.
  • Limit Linkus login attempts 5 times to protect Linkus from brute force attacks.
  • Added support for Turkish interface.
  • Added support for enabling and disabling Dialpad Touch Tones.
  • Optimized loading speed of extension status.
  • Fixed the issue that Linkus client could not connect to the server after upgrading the Linkus App.