# Additional Resources

**Install phone.systems(TM) App on Linux**

Install the phone.systems(TM) app on Debian or Ubuntu using the official repository.

[Install phone.systems(TM) app on Linux](repositories.html)

**phone.systems(TM) App Integration Protocols**

Learn to use standard and custom URL protocols to integrate phone.systems(TM), automate tasks, and perform actions like
calling or opening the dial pad from links.

[phone.systems(TM) App Integration Protocols](integration-protocols.html)

**phone.systems(TM) Click-to-Call Chrome Extension**

Call or copy phone numbers detected on web pages using the phone.systems(TM) app.

[phone.systems(TM) Click-to-Call Chrome Extension](click-to-call-extension.html)