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    • 6. 发明授权
    • Method and arrangement for session negotiation
    • 会话协商的方法和安排
    • US09161286B2
    • 2015-10-13
    • US13263094
    • 2010-04-06
    • Daniel EnströmTomas FrankkilaStefan Bruhn
    • Daniel EnströmTomas FrankkilaStefan Bruhn
    • H04W4/00H04W36/38
    • H04W36/385H04L65/1003H04L65/1069H04W88/181
    • In a method of improved session negotiation between first and second clients in a cellular telecommunication system, the two clients negotiating S10 and agreeing upon a first codec type for a session. The first and second clients then initiating the session and exchanging S20 media data frames according to the first codec type. Subsequently, during the initiated session, at least one of the first and second clients providing S30 an indication for a second codec type in at least one subsequent media data frame. Finally, upon receiving and recognizing said indication, the other of said first and second clients switching S40 to the indicated second codec type in a next media data frame, thereby enabling the first and second clients to exchange subsequent media frames utilizing the second codec type.
    • 在蜂窝电信系统中的第一和第二客户端之间改进的会话协商的方法中,两个客户端协商S10并且同意第一编解码器类型用于会话。 然后,第一和第二客户机根据第一编解码器类型启动会话并交换S20个媒体数据帧。 随后,在发起的会话期间,第一和第二客户端中的至少一个提供S30在至少一个后续媒体数据帧中的第二编解码器类型的指示。 最后,在接收并识别所述指示时,所述第一和第二客户端中的另一个在下一个媒体数据帧中将S40切换到所指示的第二编解码类型,从而使得第一和第二客户端能够利用第二编解码器类型交换后续的媒体帧。
    • 7. 发明申请
    • Method and Arrangement for Session Negotiation
    • 会议谈判方法与安排
    • US20120106451A1
    • 2012-05-03
    • US13263094
    • 2010-04-06
    • Daniel EnströmTomas FrankkilaStefan Bruhn
    • Daniel EnströmTomas FrankkilaStefan Bruhn
    • H04W4/00
    • H04W36/385H04L65/1003H04L65/1069H04W88/181
    • In a method of improved session negotiation between first and second clients in a cellular telecommunication system, the two clients negotiating S10 and agreeing upon a first codec type for a session. The first and second clients then initiating the session and exchanging S20 media data frames according to the first codec type. Subsequently, during the initiated session, at least one of the first and second clients providing S30 an indication for a second codec type in at least one subsequent media data frame. Finally, upon receiving and recognizing said indication, the other of said first and second clients switching S40 to the indicated second codec type in a next media data frame, thereby enabling the first and second clients to exchange subsequent media frames utilizing the second codec type.
    • 在蜂窝电信系统中的第一和第二客户端之间改进的会话协商的方法中,两个客户端协商S10并且同意第一编解码器类型用于会话。 然后,第一和第二客户机根据第一编解码器类型启动会话并交换S20个媒体数据帧。 随后,在发起的会话期间,第一和第二客户端中的至少一个提供S30在至少一个后续媒体数据帧中的第二编解码器类型的指示。 最后,在接收并识别所述指示时,所述第一和第二客户端中的另一个在下一个媒体数据帧中将S40切换到所指示的第二编解码类型,从而使得第一和第二客户端能够利用第二编解码器类型交换后续的媒体帧。