The 3CX Web Client is a browser-based application that can be used in place of a desktop softphone or physical phone for a Contact Center agent's device.

Official 3CX User Manual: 3CX Web Client

Logging In

1. Open the account details email sent to the extension's user by 3CX
2. If single sign-on is enabled for Google or Microsoft, sign in with those credentials
3. Otherwise, select the password-setup link in the email to create a password, then sign in using the extension's email address or number and the new password
4. If two-factor authentication is enabled for the extension, register a 2FA app on first login

Installing as a Desktop App

The Web Client can be installed as a standalone desktop application (a Progressive Web App) instead of running in a browser tab.

Google Chrome

1. Select the download icon in the browser's address bar
2. Select Install
3. Confirm pinning the app to the taskbar
4. To launch automatically at startup, navigate to chrome://apps, right-click the app, and enable Launch at startup

Microsoft Edge

1. Select the install icon in the browser's address bar
2. Select Install
3. In the confirmation dialog, enable Pin to taskbar and Auto-start on device login, then select Allow

Placing a Call

1. Select the dialer icon in the top right corner of the Web Client
2. Enter a phone number, or search by name, extension, or email
3. Select the handset icon to place the call

The Call using dropdown below the search bar selects which device or app places the call.