发明授权
- 专利标题： Gateway device, communication system, and communication method
- 专利标题（中）： 网关设备，通信系统和通信方式
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申请号： US12865782申请日： 2009-02-10
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公开(公告)号： US08649371B2公开(公告)日： 2014-02-11
- 发明人: Kazunori Ozawa
- 申请人： Kazunori Ozawa
- 申请人地址： JP Tokyo
- 专利权人： NEC Corporation
- 当前专利权人： NEC Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Sughrue Mion, PLLC
- 优先权： JP2008-037334 20080219
- 国际申请： PCT/JP2009/052189 WO 20090210
- 国际公布： WO2009/104493 WO 20090827
- 主分类号： H04L12/50
- IPC分类号： H04L12/50
摘要：
A gateway apparatus 110 includes: a communication unit 111 communicating a frame signal conforming to an IuUP (Iu User Plane) protocol with a wireless base station controller connected to a circuit switching network 101; a determination unit 112 for determining whether the frame signal received by the communication unit indicates a time alignment request for a sound signal to a circuit switching network or not; a conversion unit 113, converting information included in the frame signal to information to be set in a call control signal of an IMS (IP Multimedia Subsystem) when the frame signal indicates a time alignment request; and a call control signal transmission unit 114 transmitting the call control signal including the converted information to a communication apparatus in the IMS 102.
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