At the CTIA Wireless tradeshow in San Francisco, RealNetworks announced that it was adding a video component to its voice-response service that allows mobile users to find information and entertainment, CNET reports.
Mobile operators will be able to subscribe to the service, then offer it as a video-telephony service to customers, all made possible because of 3G.
When customers with an appropriate plan and capable phone dial a designated number, they’ll be presented with a menu offering choices, such as movie trailers, weather or traffic information.
Add video-calling plan could add lucrative revenue streams for mobile operators.

