Invention Grant
- Patent Title: Offloading a video portion of a video call
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Application No.: US14109659Application Date: 2013-12-17
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Publication No.: US09277176B2Publication Date: 2016-03-01
- Inventor: Samy Khay-Ibbat , Sarma V. Vangala , Paul V. Flynn , Wen Zhao , Sreevalsan Vallath , Navid Damji
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Downey Brand LLP
- Main IPC: H04N7/14
- IPC: H04N7/14 ; H04W28/02

Abstract:
A method for offloading a video portion of a video call form a cellular network to a WLAN is provided. The method can include a wireless communication device participating in a video call with a remote device over a connection between the wireless communication device and a cellular network. The video call can include a first video stream carried over a first bearer on the cellular network and an audio stream carried over a second bearer on the cellular network. The method can further include the wireless communication device establishing a connection between the wireless communication device and a WLAN; performing a call setup procedure with the remote device to establish a second video stream over the WLAN; terminating the first video stream; and using the second video stream and the audio stream to continue the video call.
Public/Granted literature
- US20140176659A1 OFFLOADING A VIDEO PORTION OF A VIDEO CALL Public/Granted day:2014-06-26
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