Recently AT&T formally proclaims that they will permit VoIP applications to function on their mobile network. This new gets joy to the whole mobile phone user who uses 3G allowed mobile phones. This means that now 3G and EDGE mobile network consumers will be able to employ Skype and other VoIP applications on their mobile phones. This will allow VoIP applications to run productively on iPhone.
Previous to this VoIP was not permitted on the mobile network; the only solution to this problem was WiFi. Before VoIP applications on iPhone were allowed for WiFi connectivity. AT&T has also obtainable a range of other wireless applications that allow VoIP application on 3G, 2G and WiFi networks.