Novocall - Novocall converts web visitors into sales calls in seconds.
Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
Callpage - Turn website visitors into sales calls. Use CallPage and provide immediate free phone callback to your leads in 28 seconds.
TextMe - TextMe is a free calls and messaging application at both local and international levels.
LiveCall - LiveCall is a callback software that enables users to talk by voice with people who are currently visiting a website in 25 seconds.
Talkatone - Android App on. Google Play. Stop paying for cell minutes, texts & landlines; Turn your iPad or iPod touch into a phone; Call/Text even in areas with bad cell coverage; Call/Text when travelling without paying for expensive international minutes.