All iPhone users who love Skype, they bring forth Skype 2.0. Before 2.0, Skype iPhone users could only make calls via Wi-Fi. Now users can make calls over AT&T’s 3G network. The 3G calls are free until the end of the year, then expect them to charge you. The changes that come along with 2.0 are posted below.
Call using your 3G connection. Skype-to-Skype calls on 3G are free until at least end of August 2010, after which there will be a small monthly fee (operator charges for data will still apply).
Near CD-quality sound for Skype-to-Skype calls using wideband audio (SILK codec) on iPhone 3GS and 2nd generation iPhone touch.
Enhanced call quality indicator.
Improved start-up time.
Fast access to the dial pad from iPhone home screen.