Patent ID: 9288750
Filing Date: 2016-03-15
CPC Classification: H04W

Claim Text:
1. A computer-implemented method comprising: receiving, at a network device in a shared network that includes a plurality of public land mobile networks (PLMNs) that broadcast within a particular area, a request from an inbound roaming user device in the shared network to connect to a home network of the inbound roaming user device, wherein the home network is external to the shared network; identifying, by the network device, a PLMN selected by the inbound roaming user device from among the plurality of PLMNs in the shared network; accessing a listing of allowed PLMNs and disallowed PLMNs for roaming in the shared network; determining whether the selected PLMN is an allowed PLMN; and blocking the connection to the home network in response to a determination that the selected PLMN is not an allowed PLMN.