setAsDefaultProtocolClient 'tel' and 'callto' does not work on Windows 10 · Issue #16106 · electron/electron · GitHub
![Softphone.Pro - Click-to-call on phone number hyperlink with «sip:», «callto:», «tel:» prefix in HTML webpage Softphone.Pro - Click-to-call on phone number hyperlink with «sip:», «callto:», «tel:» prefix in HTML webpage](https://softphone.pro/assets/img/en/screenshots/3rd-party/settings-web-links.png)
Softphone.Pro - Click-to-call on phone number hyperlink with «sip:», «callto:», «tel:» prefix in HTML webpage
![Softphone.Pro - Click-to-call on phone number hyperlink with «sip:», «callto:», «tel:» prefix in HTML webpage Softphone.Pro - Click-to-call on phone number hyperlink with «sip:», «callto:», «tel:» prefix in HTML webpage](https://softphone.pro/assets/img/en/screenshots/3rd-party/settings-3rd-party-extid.png)
Softphone.Pro - Click-to-call on phone number hyperlink with «sip:», «callto:», «tel:» prefix in HTML webpage
![Softphone.Pro - Click-to-call on phone number hyperlink with «sip:», «callto:», «tel:» prefix in HTML webpage Softphone.Pro - Click-to-call on phone number hyperlink with «sip:», «callto:», «tel:» prefix in HTML webpage](https://softphone.pro/assets/img/en/screenshots/3rd-party/settings-web-links-enable.png)