SEAMLESS CALL TRANSITIONS WITH ESCALATION-AWARE NOTIFICATIONS

摘要

during the device joins the audio-only call may be incoming video call is received. Video call context information may be included as part of the incoming video call notification, such information may include an indication of the incoming video call actually escalation of the audio-only call. On the basis of the call context information, it may be taken a variety of actions. For example, the audio-only calls can be seamlessly switched to a video call. ;