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1. 发明授权

US08391280B2 Method and system for realizing nonloss transmission of media stream after switching between open call and secret call 有权
标题翻译：在打开呼叫和秘密呼叫切换后实现媒体流的非损失传输的方法和系统
公开(公告)号：US08391280B2
公开(公告)日：2013-03-05
申请号：US12673590
申请日：2007-12-27
申请人： Xianfeng Guan , Haigang Guo , Jingyue Shen
发明人： Xianfeng Guan , Haigang Guo , Jingyue Shen
IPC分类号： H04L12/66
CPC分类号： H04L65/605 , H04L63/0457 , H04L65/103 , H04W12/02 , H04W88/08
摘要： A method for realizing non-loss transmission of media stream after switching between the open call and the secret call, the method includes the steps: after the base station receiving the message of switching from the open call to the secret call from the communication terminal, inserting a special media frame in the media stream and transmitting it to the media gateway; the media gateway judging whether checking the special media frame according to the form of the load-bearing of the media stream's incoming and outgoing or the form of the media's coding decoding, whether detect the special media frame or not, the media gateway transmitting the media stream from the incoming to the outgoing. When the special media frame is detected, deciding to transmit directly or run an PCM adaptation process in 64 kbps/56 kbps according to the form of the coding decoding.
摘要翻译：一种用于在开启呼叫和秘密呼叫之间切换之后实现媒体流的非丢失传输的方法，所述方法包括以下步骤：在基站从通信终端接收到从打开呼叫切换到秘密呼叫的消息之后，在媒体流中插入特殊媒体帧并将其发送到媒体网关; 媒体网关判断是否根据媒体流的传入和传出的承载形式检查特殊媒体帧，或者媒体编码解码的形式，是否检测到特殊媒体帧，媒体网关发送媒体流从传入到传出。当检测到特殊媒体帧时，根据编码解码的形式，决定直接发送或以64kbps / 56kbps运行PCM适配处理。

2. 发明申请

US20120026990A1 METHOD AND SYSTEM FOR REALIZING NONLOSS TRANSMISSION OF MEDIA STREAM AFTER SWITCHING BETWEEN OPEN CALL AND SECRET CALL 有权
标题翻译：开放呼叫和秘密呼叫切换后媒体流的非线路传输的方法和系统
公开(公告)号：US20120026990A1
公开(公告)日：2012-02-02
申请号：US12673590
申请日：2007-12-27
申请人： Xianfeng Guan , Haigang Guo , Jingyue Shen
发明人： Xianfeng Guan , Haigang Guo , Jingyue Shen
IPC分类号： H04W92/00
CPC分类号： H04L65/605 , H04L63/0457 , H04L65/103 , H04W12/02 , H04W88/08
摘要： A method for realizing non-loss transmission of media stream after switching between the open call and the secret call, the method includes the steps: after the base station receiving the message of switching from the open call to the secret call from the communication terminal, inserting a special media frame in the media stream and transmitting it to the media gateway; the media gateway judging whether checking the special media frame according to the form of the load-bearing of the media stream's incoming and outgoing or the form of the media's coding decoding, whether detect the special media frame or not, the media gateway transmitting the media stream from the incoming to the outgoing. When the special media frame is detected, deciding to transmit directly or run an PCM adaptation process in 64 kbps/56 kbps according to the form of the coding decoding.
摘要翻译：一种用于在开启呼叫和秘密呼叫之间切换之后实现媒体流的非丢失传输的方法，所述方法包括以下步骤：在基站从通信终端接收到从打开呼叫切换到秘密呼叫的消息之后，在媒体流中插入特殊媒体帧并将其发送到媒体网关; 媒体网关判断是否根据媒体流的传入和传出的承载形式检查特殊媒体帧，或者媒体编码解码的形式，是否检测到特殊媒体帧，媒体网关发送媒体流从传入到传出。当检测到特殊媒体帧时，根据编码解码的形式，决定直接发送或以64kbps / 56kbps运行PCM适配处理。

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