发明授权
US07301934B1 UMTS telecommunications system for enabling a mobile station to receive voice-over internet protocol calls when roaming
失效
UMTS电信系统，用于使移动台在漫游时能够接收语音互联网协议呼叫
- 专利标题： UMTS telecommunications system for enabling a mobile station to receive voice-over internet protocol calls when roaming
- 专利标题（中）： UMTS电信系统，用于使移动台在漫游时能够接收语音互联网协议呼叫
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申请号： US10030387申请日： 2000-04-18
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公开(公告)号： US07301934B1公开(公告)日： 2007-11-27
- 发明人: Alessio Casati , Sudeep Kumar Palat , Hatef Yamini , Jin Yang
- 申请人： Alessio Casati , Sudeep Kumar Palat , Hatef Yamini , Jin Yang
- 申请人地址： US NJ Murray Hill
- 专利权人： Lucent Technologies Inc.
- 当前专利权人： Lucent Technologies Inc.
- 当前专利权人地址： US NJ Murray Hill
- 优先权： EP99305778 19990721
- 国际申请： PCT/GB00/01481 WO 20000418
- 国际公布： WO01/06744 WO 20010125
- 主分类号： H04L12/66
- IPC分类号： H04L12/66
摘要：
A telecommunication system including a mobile station, and means for a mobile station to receive voice-over Internet Protocol (VoIP) calls when it is roaming away from a home network, comprising: means for informing a serving GGSN of the International Mobile subscriber Identity (IMSI) of the called mobile station, and means for enabling a local VoIP control server to map a called MSISDN number to the IMSI number.
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