Google announced official google Voice Application for iPhone. Apple rejected all Google Voice based Application about 16 months ago on the base of functional similarities with their own calling system on iPhone.This apps allows  users to dial people, send texts, receive calls, and listen to voice mails all through a Google Voice phone number. Google Voice works with  HTML5 enabled mobile browsers in iPhone 3.0+ including free text messaging to U.S. numbers. It will display your Google Voice number on the recipient’s call display.
The new application contain Google’s Direct Access Numbers, which make connecting calls via company’s VoIP system and dialing directly from your phone.Your phone will just call a central number and connect the call immediately, these calls take you out of the Google Voice app and back into your native phone application.
