Apple adds video-chat feature to its Apple iOS app . iPhone 3GS and 3 users can call over AT Apple 4 G network . Users on the iPad or older iPod Touch can receive video calls .
Skype adds video-chat feature to its Apple iOS app . iPhone 4 and 3GS users can call over AT & T 's 3G network . Users on the iPad or older iPod Touch can receive video calls .