发明授权
EP1399833B1 METHODS AND SYSTEMS FOR PROVIDING APPLICATION LEVEL PRESENCE INFORMATION IN WIRELESS COMMUNICATION 有权
方法和系统提供存在信息在应用层上在无线通信

  • 专利标题: METHODS AND SYSTEMS FOR PROVIDING APPLICATION LEVEL PRESENCE INFORMATION IN WIRELESS COMMUNICATION
  • 专利标题(中): 方法和系统提供存在信息在应用层上在无线通信
  • 申请号: EP01997932.7
    申请日: 2001-11-20
  • 公开(公告)号: EP1399833B1
    公开(公告)日: 2017-04-19
  • 发明人: AGRAWAL, Anuraag
  • 申请人: AT & T Mobility II, LLC
  • 申请人地址: Corporation Trust Centre 1209 Orange Street Wilmington, Newcastle, DE US
  • 专利权人: AT & T Mobility II, LLC
  • 当前专利权人: AT & T Mobility II, LLC
  • 当前专利权人地址: Corporation Trust Centre 1209 Orange Street Wilmington, Newcastle, DE US
  • 代理机构: Harding, Andrew Philip
  • 优先权: US249982P 20001120
  • 国际公布: WO2002043351 20020530
  • 主分类号: H04M3/53
  • IPC分类号: H04M3/53 H04L29/08
METHODS AND SYSTEMS FOR PROVIDING APPLICATION LEVEL PRESENCE INFORMATION IN WIRELESS COMMUNICATION
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