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1. 发明申请

WO2004110064A1 METHOD FOR BITRATE ADJUSTMENT 审中-公开
标题翻译：双向调整方法
公开(公告)号：WO2004110064A1
公开(公告)日：2004-12-16
申请号：PCT/NO2004/000077
申请日：2004-03-19
申请人： TANDBERG TELECOM AS , KARLSEN, Per, Arne , NILSEN, Geir, Scott , LORENTZEN, Nils, Henrik
发明人： KARLSEN, Per, Arne , NILSEN, Geir, Scott , LORENTZEN, Nils, Henrik
IPC分类号： H04N7/15
CPC分类号： H04L65/1009 , H04L29/06027 , H04L41/0896 , H04L65/103 , H04L65/104
摘要： The present invention discloses a method and a gateway for down speeding the data rate at the circuit switched side of a call being translated in the gateway if the packet switched side do not have sufficient bandwidth capabilities for matching the circuit switched data rate. According to one embodiment of the present invention, the gateway will compare the bandwidth of the H.320 and the H.323 side of a call after establishing the connection, i.e preferably directly after signalling has been completed. Then, if the H.323 side of the call is connected at a lower rate than the H.320 side e.g. because of insufficient capabilities of the H.323 endpoint, the gateway will initiate a down speeding procedure at the H.320 side e.g. by means of the features of the BONDING TM technique. The down speeding procedure disconnects a number of B-channels of the H.320 connection to make the call rate equal or lower than the call rate of the H.323 side of the call.
摘要翻译：本发明公开了一种方法和网关，用于在分组交换侧没有足够的带宽能力以匹配电路交换数据速率的情况下，降低在网关中转换的呼叫的电路交换侧的数据速率。根据本发明的一个实施例，网关将在建立连接之后比较呼叫的H.320和H.323侧的带宽，即最好在信令完成之后直接进行比较。然后，如果呼叫的H.323侧以比H.320侧更低的速率连接，例如由于H.323端点的能力不足，网关将启动H.320端的下行超速程序，例如借助于BONDING TM技术的特点。降速过程断开H.320连接的多个B信道，使呼叫速率等于或低于呼叫的H.323侧的呼叫速率。

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