发明名称 Emergency call handoff between heterogeneous networks
摘要 A system to receive, from a user device, a request to establish a communication session to allow an emergency call to be placed or transferred to a public safety access point (PSAP) server; determine whether the request includes a first indication that the emergency call is being initiated via the user device or a second indication that the emergency call is being handed off from a base station associated with another network device, place the emergency call, to the PSAP server and via a first gateway device associated with the network device, when the request includes the first indication; and transfer the emergency call, to the PSAP server and via a second gateway device associated with the other network device, when the request includes the second indication, where the second gateway device processed the emergency call prior to being handed off from the base station.
申请公布号 US8630607(B2) 申请公布日期 2014.01.14
申请号 US201113183758 申请日期 2011.07.15
申请人 SHAIKH IMTIYAZ;VERIZON PATENT AND LICENSING INC. 发明人 SHAIKH IMTIYAZ
分类号 H04M11/04;H04L12/66;H04M1/00;H04W4/00 主分类号 H04M11/04
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