发明名称 Method and apparatus for providing emergency calls to a disabled endpoint device
摘要 The present invention enables the remote activation of a device by a packet-switched service, e.g., VoIP network service for the purposes of receiving calls identified as urgent from a pre-identified calling party when the device is disabled. The present invention enables registered users to select the calling parties they wish to receive emergency calls from.
申请公布号 US7224773(B2) 申请公布日期 2007.05.29
申请号 US20040020513 申请日期 2004.12.23
申请人 AT&T CORP. 发明人 CROAK MARIAN;ESLAMBOLCHI HOSSEIN
分类号 H04M11/00 主分类号 H04M11/00
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