Before we made a lot of reports on the fourth generation iPhone will have a front camera rumors. Now there is new evidence to prove the truth of this rumor, it seems the rumor is almost certain to come true.
In fact, in the early version 3.1 SDK had already found the relevant code video conferencing, but Apple later removed the feature, but the new version of the system function again appears - in conference.framework folder found on the Video tone chat request such evidence, while there exist in CoreLocalizable.strings the following video, chat rooms, host and other encrypted string. It seems the new iPhone would definitely will support video calls.