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1. 发明申请

WO2015176835A1 MAINTAINING OPTIMAL MEDIA ROUTING 审中-公开
标题翻译：维护最佳媒体路由
公开(公告)号：WO2015176835A1
公开(公告)日：2015-11-26
申请号：PCT/EP2015/054677
申请日：2015-03-05
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
发明人： HOLM, Jan , ÖSTER, Gert , HOLMBERG, Christer
IPC分类号： H04L29/06 , H04L12/715
CPC分类号： H04L45/12 , H04L45/02 , H04L45/04 , H04L65/1006 , H04L65/1016 , H04L65/103 , H04L65/1083
摘要： A method of managing a media path for a media session established between users across a plurality of interconnected IP networks which utilize Session Initiation Protocol, SIP, and Session Description Protocol, SDP, signaling. The method comprises, at session establishment via a signaling path over said IP networks, making a determination that a shortcut media path is available, wherein the shortcut media path deviates from said signaling path. The method further comprises making a further determination that nodes in the signaling path will subsequently be able to maintain the shortcut media path in the event of a subsequent session update or re-invite and, at a subsequent session update or re-invite, including within update or re-invite signaling an indication that the shortcut media path is to be maintained.
摘要翻译：一种用于跨越跨越跨越多个互连的IP网络的用户之间建立的媒体会话的媒体路径的管理方法，所述IP网络利用会话发起协议，SIP和会话描述协议SDP，信令。该方法包括在通过所述IP网络的信令路径的会话建立时，确定快捷媒体路径可用，其中快捷媒体路径偏离所述信令路径。该方法还包括进一步确定信令路径中的节点随后将能够在随后的会话更新或重新邀请的情况下维护快捷媒体路径，并且在随后的会话更新或重新邀请期间，包括在更新或重新发信号通知要维护快捷媒体路径的指示。

2. 发明公开

EP2351309A1 SESSION ESTABLISHMENT IN A COMMUNICATION NETWORK 有权转让
标题翻译： SITZUNGSHERSTELLUNG在EINEM KOMMUNIKATIONSNETZ
公开(公告)号：EP2351309A1
公开(公告)日：2011-08-03
申请号：EP08875153.2
申请日：2008-10-03
申请人： Telefonaktiebolaget L M Ericsson (PUBL)
发明人： HEIDERMARK, Alf , HOLMBERG, Christer , LINDHOLM, Fredrik , PRZYBYSZ, Hubert
IPC分类号： H04L29/06
CPC分类号： H04L65/1016 , H04L65/1063 , H04L65/1069 , H04L67/303 , H04L69/24
摘要： A method and apparatus for establishing a communication session in an IMS Centralized Services communication network. A Service Centralization and Continuity Application Server (SCC AS) receives a request from an originating device to establish a session with a target device. The request includes a plurality of codec identifiers that could be used by the originating device. The SCC AS sends a second request to establish the session to the target device. The SCC AS subsequently receives, from an intermediate node between the SCC AS and the target device, an invite message. The invite message includes an indication that a codec identifier has been selected from the plurality of codec identifiers. The SCC AS then sends a message to the intermediate node instructing the intermediate node to establish the session.
摘要翻译：一种用于在IMS集中式服务通信网络中建立通信会话的方法和装置。服务集中和连续性应用服务器（SCC AS）从始发设备接收与目标设备建立会话的请求。该请求包括可由始发设备使用的多个编解码器标识符。 SCC AS向目标设备发送建立会话的第二个请求。 SCC AS随后从SCC AS和目标设备之间的中间节点接收邀请消息。邀请消息包括已经从多个编解码器标识符中选择了编解码器标识符的指示。然后，SCC AS向指示中间节点建立会话的中间节点发送消息。

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