Phone Caller 作者： MarkHax

A simple Firefox extension that allows you to call phone numbers directly using your default calling app via right-click context menu.
- 📞 Right-Click Calling: Select any phone number and right-click to call
- 🎯 Universal Integration: Uses standard tel: protocol - works with any calling app
- 🧪 Test Feature: Test calling from the extension popup
- 🚀 Lightweight: Minimal code, maximum functionality

Right-Click Context Menu

1. Select any phone number text on a webpage
2. Right-click and choose "Call [number]"
3. Your default calling app will open with the number

Extension Popup

1. Click the extension icon in the Firefox toolbar
2. Enter a phone number in the test field
3. Click "Test Call" to verify it works

Supported Phone Number Formats

The extension recognizes various phone number formats:
- +1-555-123-4567
- (555) 123-4567
- 555.123.4567
- 555 123 4567
- +44 20 7946 0958 (International)
- Numbers with extensions: 555-123-4567 ext. 123

Compatible Calling Apps

Since this uses the standard tel: protocol, it works with:
- Microsoft Teams
- Skype
- Zoom Phone
- WhatsApp Desktop
- System default phone app
- Any app that registers for tel: links

This extension:
- Only processes phone numbers locally in your browser
- Does not send any data to external servers
- Does not track your browsing or calling activity
- Only accesses webpage content to detect selected phone numbers
- Here is a git for the project https://github.com/markhaxx/phone-caller