Patent ID: 11917518
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A network node configured to communicate with a wireless device, the network node comprising processing circuitry, the processing circuitry configured to cause the network node to:
transmit, in a System Information Block, SIB, a first indication indicating whether a non-public network, NPN, supports an Internet Protocol, IP, Multimedia Subsystem, IMS, emergency communication service, the first indication being associated to a public land mobile network, PLMN, identity, ID, extension, the PLMN ID extension corresponding to a PLMID and being a network identity, NID, a combination of the PLMN ID and the NID identifying a standalone NPN to which the first indication applies; and
receive, from the wireless device, a second indication indicating a public network supporting the IP IMS emergency communication service to initiate the IP IMS emergency communication service, the public network being selected by the wireless device based at least in part on the first indication.