ESTABLISHING VIDEO CONFERENCE DURING PHONE CALL

摘要

PROBLEM TO BE SOLVED: To provide an apparatus for speedy transition from an audio conference to a video conference.SOLUTION: A method for initiating a video conference using a first mobile device includes: presenting, during an audio call through a wireless communication network with a second device, a selectable user-interface (UI) item on the first mobile device for switching from the audio call to the video conference; and receiving a selection of the selectable UI item. The method also includes: initiating the video conference without terminating the audio call; and terminating the audio call before allowing the first and second devices to present audio and video data exchanged through the video conference.