Patent ID: 8744420

Claim:
A non-transitory machine-readable medium of a first mobile device, the machine-readable medium storing a program executable by at least one processing unit of the first mobile device, said program comprising sets of instructions for: 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 a video conference; upon receiving a selection of the selectable UI item, displaying a first video captured by the first mobile device; and initiating the video conference by (1) terminating the audio call before allowing the first mobile device and the second device to present audio and video data exchanged through the video conference on the first mobile device and (2) displaying an animation to visually indicate the switching from the audio call to the video conference that (i) starts with reducing a size of the first video while displaying the first video and (ii) ends with displaying the first video overlapping at least a portion of a second video captured by the second device.