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    • 7. 发明授权
    • Symmetrical codec selection in an asymmetrical codec environment
    • 在非对称编解码器环境中的对称编解码器选择
    • US06633582B1
    • 2003-10-14
    • US09315860
    • 1999-05-20
    • Pandit PanburanaTyrone D. FloryanziaMichael Gregg Miles
    • Pandit PanburanaTyrone D. FloryanziaMichael Gregg Miles
    • H04J322
    • H04N21/6379H04N21/4432H04N21/6336H04N21/643
    • A codec selector, and a corresponding method for establishing media channels between a local endpoint and a remote endpoint, are disclosed. The codec selector and method are useful with a media endpoint that is constrained to have matching transmit and receive codecs. The method comprises sending a request to a remote endpoint to open a first transmit channel. Upon receiving a corresponding request from the remote endpoint for its transmit channel, the two requests are compared. If the two requests do not match, the first transmit channel is closed (whether or not it has been acknowledged by the peer). A second transmit channel, compatible with the remote endpoint's request, is then requested. A method for detecting that the remote endpoint is using a similar procedure, and a procedure for synchronizing when both endpoints are constrained, are also disclosed. The present invention reduces call setup time in most instances, and provides reliable channel setup for constrained endpoints.
    • 公开了一种编解码器选择器以及用于在本地端点和远程端点之间建立媒体信道的相应方法。 编解码器选择器和方法对于被限制为具有匹配的发送和接收编解码器的媒体端点是有用的。 该方法包括向远程端点发送请求以打开第一传输信道。 在从远程端点接收到其发送信道的相应请求时,比较两个请求。 如果两个请求不匹配,则第一个发送信道被关闭(无论是否被对端确认)。 然后请求与远程端点的请求兼容的第二发送信道。 一种用于检测远程端点正在使用类似过程的方法,以及当两个端点都被约束时同步的过程也被公开。本发明在多数情况下减少呼叫建立时间,并为 约束端点。
    • 8. 发明授权
    • System and method for implementing a session initiation protocol feature
    • 用于实现会话发起协议特征的系统和方法
    • US08015305B1
    • 2011-09-06
    • US11427156
    • 2006-06-28
    • Daniel P. LintonCraig P. MillerPandit PanburanaStephen LevyChristopher E. Pearce
    • Daniel P. LintonCraig P. MillerPandit PanburanaStephen LevyChristopher E. Pearce
    • G06F15/16
    • H04L67/141H04L65/1006H04L65/1069H04L65/1096
    • A method for implementing a SIP feature includes, in particular embodiments, establishing a communication session via a communications platform between a first and second user and receiving a request from a third user to join the communication session. The second and third users are from a plurality of users using a shared line. The method further includes integrating communications of the third user into the communication session. In particular embodiments the method includes establishing a communication session between a first and second user via a communications platform. The method also includes receiving a select request that locks the communication session so that a third user cannot resume the communication session with the first user. In particular embodiments the method includes receiving a request from a first user of a shared line to enable a privacy feature that reduces call information generated by the communications platform in remote state notifications.
    • 用于实现SIP特征的方法在特定实施例中包括经由第一和第二用户之间的通信平台建立通信会话,并且接收来自第三用户的加入通信会话的请求。 第二和第三用户来自使用共享线路的多个用户。 该方法还包括将第三用户的通信集成到通信会话中。 在特定实施例中,该方法包括经由通信平台在第一和第二用户之间建立通信会话。 该方法还包括接收锁定通信会话的选择请求,使得第三用户不能恢复与第一用户的通信会话。 在特定实施例中,该方法包括从共享线路的第一用户接收请求,以实现隐私特征,其减少通信平台在远程状态通知中生成的呼叫信息。
    • 9. 发明授权
    • Symmetrical codec selection in an asymmetrical codec environment
    • 在非对称编解码器环境中的对称编解码器选择
    • US07352710B1
    • 2008-04-01
    • US10683689
    • 2003-10-09
    • Pandit PanburanaTyrone D. FloryanziaMichael Gregg Miles
    • Pandit PanburanaTyrone D. FloryanziaMichael Gregg Miles
    • H04L12/56
    • H04N21/6379H04N21/4432H04N21/6336H04N21/643
    • A codec selector, and a corresponding method for establishing media channels between a local endpoint and a remote endpoint, are disclosed. The codec selector and method are useful with a media endpoint that is constrained to have matching transmit and receive codecs. The method comprises sending a request to a remote endpoint to open a first transmit channel. Upon receiving a corresponding request from the remote endpoint for its transmit channel, the two requests are compared. If the two requests do not match, the first transmit channel is closed (whether or not it has been acknowledged by the peer). A second transmit channel, compatible with the remote endpoint's request, is then requested. A method for detecting that the remote endpoint is using a similar procedure, and a procedure for synchronizing when both endpoints are constrained, are also disclosed.The present invention reduces call setup time in most instances, and provides reliable channel setup for constrained endpoints.
    • 公开了一种编解码器选择器以及用于在本地端点和远程端点之间建立媒体信道的相应方法。 编解码器选择器和方法对于被限制为具有匹配的发送和接收编解码器的媒体端点是有用的。 该方法包括向远程端点发送请求以打开第一传输信道。 在从远程端点接收到其发送信道的相应请求时,比较两个请求。 如果两个请求不匹配,则第一个发送信道被关闭(无论是否被对端确认)。 然后请求与远程端点的请求兼容的第二发送信道。 还公开了一种用于检测远程端点正在使用类似过程的方法,以及当两个端点被约束时同步的过程。 本发明在大多数情况下减少呼叫建立时间,并且为约束端点提供可靠的信道建立。