Make calls from browser.
Features:
1. Call to any phone number
2. Catch Callto: tel: links
3. Call transfer
4. Calls history
5. Contacts list
6. Send information about call to crm system
7. Device changing (SIP phone, Web phone)
8. Contact info from crm system
9. View linked contact/deal
10. Hotkeys support (answer/hang up)
11. Hold call
12. Mute/unmute microphone