Invention Grant
- Patent Title: Calling methods and systems for video phone
- Patent Title (中): 视频电话的呼叫方法和系统
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Application No.: US12495227Application Date: 2009-06-30
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Publication No.: US08351906B2Publication Date: 2013-01-08
- Inventor: Jian Yang , Guoqiao Chen , Lei Wang
- Applicant: Jian Yang , Guoqiao Chen , Lei Wang
- Applicant Address: CN Shenzhen
- Assignee: Huawei Technologies Co., Ltd.
- Current Assignee: Huawei Technologies Co., Ltd.
- Current Assignee Address: CN Shenzhen
- Agency: Brinks Hofer Gilson & Lione
- Priority: CN200710073941 20070331; CN200710149813 20070904
- Main IPC: H04M3/42
- IPC: H04M3/42 ; H04N7/14 ; G06F15/16

Abstract:
A calling method for the video phone, includes: playing a Multimedia Ring Back Tone for a calling terminal via a first bearer of video phone established between a Multimedia Ring Back Tone server and the calling terminal; establishing a second bearer of video phone between a called terminal and the Multimedia Ring Back Tone server upon detecting that the called terminal answers the call; and performing a video phone communication between the calling terminal and the called terminal via the first bearer and the second bearer established. Another calling method for the video phone, comprises: playing a Multimedia Ring Back Tone for the calling terminal by the Multimedia Ring Back Tone server via a third bearer of video phone established with the calling terminal; establishing a fourth bearer of video phone between the calling terminal and the called terminal, and performing the video phone communication between the calling terminal and the called terminal via the fourth bearer. The present invention also provides the corresponding systems, thereby realizing the Multimedia Ring Back Tone service of video phone.
Public/Granted literature
- US20100022226A1 CALLING METHODS AND SYSTEMS FOR VIDEO PHONE Public/Granted day:2010-01-28
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