发明名称 テレビ電話のための呼出方法およびシステム
摘要 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 communications 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.
申请公布号 JP5675730(B2) 申请公布日期 2015.02.25
申请号 JP20120183018 申请日期 2012.08.22
申请人 華為技術有限公司HUAWEI TECHNOLOGIES CO.,LTD. 发明人 ヤン、ジアン;チェン、グオチャオ;ワン、レイ
分类号 H04M3/42 主分类号 H04M3/42
代理机构 代理人
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