Control an Incompatible IP phone by Linkus Web Client

This topic describes how to connect an incompatible IP phone (unsupported Yealink/Fanvil IP phones and phones of other brands) to Linkus Web Client, and what operations you can do to manage phone calls on the connected phone from Linkus Web Client.


This topic is applied to the IP phones that fall out of the range of CTI-compatible devices.

For CTI-compatible devices, see Compatible Yealink IP Phones and Compatible Fanvil IP Phones.

Background information

By enabling CTI mode on Linkus Web Client, an IP phone with your extension registered can be connected to your Linkus Web Client. In this way, Linkus Web Client acts as a visual control panel whereas calls are made and received from the IP phone.


  1. Contact system administrator to check if the version of your organization's PBX server is or later.
  2. Check if the extension registered on the IP phone is the same as that of Linkus Web Client.
  3. Change Linkus Web Client to CTI mode.
    1. Log in to Linkus Web Client.
    2. At the top toolbar, select a desired IP phone from the drop-down list.


You can do the following operations on the connected IP phone from Linkus Web Client:

  • Make/End a call
  • Reject a call
  • Hold/Resume a call
  • Blind transfer a call
  • Record a call