iCall Free VoIP - free in US

(Community : Tech )
cool App, Free VoIP,

From iCall :
iCall allows you to make and receive phone calls over WiFi- even when you dont have a cell signal plus never pay a roaming charge again!

The New York Times has featured iCall and iCall has changed the way that more than 4 million people worldwide communicate and is one of the most popular VoIP applications on the planet.

More than 4 MILLION users cant be wrong!

PC Magazine says:
An ambitious voice-over-IP app for iPhones and iPod touches, iCall teaches their big competitor Skype a lesson in how to receive phone calls.

Features
FREE ad-supported USA & Canadian calling!
Receive VoIP calls even when the app is not running!
Switch cell phone calls to VoIP!
Calls dont count towards your cell-calling plan!
Dirt-cheap international rates!
No roaming charges!
Compatible with the iPhone, iPhone 3G, and iPod Touch Turn your iPod Touch into a real phone!!! (microphone required for iPod Touch users)
Paid plans and premium features available for power users!

Our users say:

Killer App!
You might as well Skip Skype this blows it away! Not only can I use iCall on my phone but I can also use it on my PC. Hands down the best phone app I have downloaded for my iPhone. Kinda sounds cool too iCall you from my iPhone!

Great integration
The integration with the app is great. The free calling option is fantastic for people who need VoIP for occasional holes in their cell service. Thanks guys!

Great App
Best app to come out for the iPhone!!!!

Great quality both app and voice
This app rocks! Sound quality is much better than Skype. App is much better than any other VoIP Ive used.

Awesome!
Best calling app! Thanks!

Great App
Ive been waiting forever for this app. Best VoIP on the iPhone!

筆者使用後感言:

有一點點失望, 不是全免費的, 有收費的會員要求
打國外需要收費
打美國國內, 我們初時以為免費, 它也揚言免費, 結果講了約十分鐘便會自動斷線, 不再給你講下去, 全無任何預警或提醒,
接收與聲質當然不及正常打電話那麼好, 聲音較小

理論上打國內國外使用VOIP --WiFi 應無分別,
我們將會摸索設計一個真的全免費的 App for iphone and gPhone 相信不久再沒有電話公司的存在了, 這也是為甚麼Google 要出自己的手機及自己直鎖, Apple 也只是暫時利用AT&T 而已