专利名称：Home communication network
determination
发明人：Cormac Hegarty,Jan Holm,Gert Oster申请号：US13872545申请日：20130429公开号：US09544756B2公开日：20170110
专利附图：
摘要：System, methods, nodes, and computer program for determining a homenetwork of a UE roaming in a visited network are described. The UE sends a sessioninvitation to a further UE. The method comprises receiving, by a control node in the home
network, the session invitation. The method further comprises adding, by a control nodein the home network, an indication of the home network identity and an indication forsession invitation loopback routing, to the session invitation. The method further
comprises sending, by a control node in the home network, the session invitation towardsthe visited network. The method further comprises receiving, by a control node in thevisited network, a session invitation from the home network. The method furthercomprises determining, by the control node in the visited network, the home networkbased on the indication of the home network identity.
申请人：Telefonaktiebolaget L M Ericsson (publ)
地址：Stockholm SE
国籍：SE
代理机构：Rothwell, Figg, Ernst & Manbeck, P.C.
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