If you're
a. NOT living in USA,
b. your carrier supports this feature,
c. in 3G coverage and the other end also,
there is a button in dial pad let you make/receive a video call.
Your issue may be solved with Schap's Advanced Config. http://www.touchxperience.com/en/advanced-configuration-tool.html
Download, install then, in the Phone Settings, set "call ID match:" 4~7.