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1.发明授权Enhanced push to talk systems and methods with floor control and media traffic optimization 有权增强一键通系统和方法，具有楼层控制和媒体流量优化公开(公告)号：US09306991B2
公开(公告)日：2016-04-05
申请号：US13652762
申请日：2012-10-16
Applicant: MOTOROLA SOLUTIONS, INC.
Inventor： Anatoly Agulnik , Madhusudan K. Pai , Udaya Shankara P. S. , Shrinivas Shetti
CPC classification number: H04L65/4061 , H04L65/1069 , H04L65/4038 , H04L65/608 , H04L65/80
Abstract: An enhanced push to talk (PTT) method, a network, and a PTT server provide floor control and media traffic optimization for push to talk over cellular (PoC). Specifically, multiple Session Initiation Protocol (SIP) sessions are contemplated between controlling and participating servers while only requiring a single Real Time Protocol (RTP) session for media and a single Real Time Control Protocol (RTCP) session for floor control. In the single RTP and RTCP session, the synchronization source identifier (SSRC) can be used to differentiate between users equipment (UEs) at the controlling and participating servers.
Abstract translation: 增强型一键通（PTT）方法，一个网络和一个PTT服务器为蜂窝通话（PoC）提供楼层控制和媒体流量优化。 具体来说，在控制和参与的服务器之间考虑了多个会话发起协议（SIP）会话，而仅需要用于媒体的单个实时协议（RTP）会话和用于楼层控制的单个实时控制协议（RTCP）会话。 在单个RTP和RTCP会话中，同步源标识符（SSRC）可用于区分控制和参与服务器的用户设备（UE）。
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2.发明申请ENHANCED PUSH TO TALK SYSTEMS AND METHODS WITH FLOOR CONTROL AND MEDIA TRAFFIC OPTIMIZATION 有权加强推土机系统和方法与地面控制和媒体交通优化公开(公告)号：US20140106808A1
公开(公告)日：2014-04-17
申请号：US13652762
申请日：2012-10-16
Applicant: MOTOROLA SOLUTIONS, INC.
Inventor： Anatoly Agulnik , Madhusudan K. Pai , Udaya Shankara P.S. , Shrinivas Shetti
IPC: H04W4/10
CPC classification number: H04L65/4061 , H04L65/1069 , H04L65/4038 , H04L65/608 , H04L65/80
Abstract: An enhanced push to talk (PTT) method, a network, and a PTT server provide floor control and media traffic optimization for push to talk over cellular (PoC). Specifically, multiple Session Initiation Protocol (SIP) sessions are contemplated between controlling and participating servers while only requiring a single Real Time Protocol (RTP) session for media and a single Real Time Control Protocol (RTCP) session for floor control. In the single RTP and RTCP session, the synchronization source identifier (SSRC) can be used to differentiate between users equipment (UEs) at the controlling and participating servers.
Abstract translation: 增强型一键通（PTT）方法，一个网络和一个PTT服务器为蜂窝通话（PoC）提供楼层控制和媒体流量优化。 具体来说，在控制和参与的服务器之间考虑了多个会话发起协议（SIP）会话，而仅需要用于媒体的单个实时协议（RTP）会话和用于楼层控制的单个实时控制协议（RTCP）会话。 在单个RTP和RTCP会话中，同步源标识符（SSRC）可用于区分控制和参与服务器的用户设备（UE）。
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3.发明授权公开(公告)号：US09769225B2
公开(公告)日：2017-09-19
申请号：US14168566
申请日：2014-01-30
Applicant: MOTOROLA SOLUTIONS, INC
Inventor： Kiran Kalburgi , Madhusudan Pai , Shrinivas Shetti
CPC classification number: H04L65/4061 , H04L51/04 , H04L65/1006 , H04L65/1016 , H04L65/1063 , H04L65/1069 , H04M7/006 , H04W4/08 , H04W76/40 , H04W76/45 , H04W84/08
Abstract: A method, Group Application Server, and mobile device are provided that coordinate an operation of multiple mobile devices of a same user in a group call. When the multiple mobile devices join the group call, a first mobile device of the multiple mobile devices determines that it is an active device and provides an indication of such to the Group Application Server. In response to receiving the indication, the Group Application Server identifies a second mobile device, of the multiple mobile devices, that is a non-active device and one or more of modifies subsequent communications with the second mobile device or conveys a behavior modification message to the second mobile device. In another embodiment of the present invention, the first mobile device may indicate that it is the active device directly to the second mobile device and the second mobile device modify its behavior accordingly.
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