A method and apparatus are provided to enable or aid network-controlled selection of an IP address (and anchor) to be used by a WTRU on an application/service basis. In one example, a method is provided for a WTRU to establish a link with a gateway, transmit a query related to a selected application via the gateway, receive an advertisement for an internet protocol (IP) address, and use the IP address to communicate via the gateway with respect to the selected application. It may be assumed that there are more than one possible IP address/anchor available for the WTRU to use, as it might be the case in a mobility environment, in which an operator can provide addresses with different mobility capabilities.

The disclosure relates to a communication technique for converging, with an IoT technology, a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The disclosure may be applied to intelligent services, such as smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, and security and safety related services, on the basis of 5G communications technologies and IoT-related technologies. A method for operating relay UE in a mobile communication system includes transmitting, to a network node connected to the relay UE, a remote UE report message including remote UE information about a remote UE accessing a network via the relay UE, wherein the remote UE information includes IP address information allocated to the remote UE; starting a timer upon transmitting the remote UE report message to the network node; receiving, from the network node, a response message in reply to the remote UE report message; and stopping the timer upon receipt of the response message from the network node. the IP address information includes an IP address and port information of the remote UE in case that IPv4 is used as an address type.

The disclosure relates to a method for Internet Protocol based Multimedia Subsystem (IMS) registration and device, a communication device, and a storage medium. The method for IMS registration includes determining whether a network side supports an IMS service; acquiring, based on an IMS Access Point Name (APN), an address for the IMS registration when the network side supports the IMS service; performing the IMS registration based on the acquired address for the IMS registration; and initiating an IMS re-registration when the IMS registration fails.

Systems, apparatuses, methods, and one or more computer-readable media storing executable instructions for registering a multi-port device are described. A computing device may receive a registration request from a user device supporting multiple ports. In response, the computing device may send to the user device a message including a plurality of telephone numbers and information of associated ports.

An eSIM-based card pool system is disclosed, the system comprising: a card pool unit comprising a plurality of eSIMs; an eSIM manager, comprising a database that stores corresponding relationships between a plurality of eSIM identifications and a plurality of eSIM addresses; and a connection manager, configured to request a first eSIM address from the eSIM manager based on a received download instruction, and write a specified eSIM profile into a first eSIM having the first eSIM address.

An eSIM-based card pool system is disclosed, the system comprising: a card pool unit comprising a plurality of eSIMs; an eSIM manager, comprising a database that stores corresponding relationships between a plurality of eSIM identifications and a plurality of eSIM addresses; and a connection manager, configured to request a first eSIM address from the eSIM manager based on a received download instruction, and write a specified eSIM profile into a first eSIM having the first eSIM address.

Method and apparatus are described for delivering triggers and small data. In an embodiment, a receiver may be configured to receive a trigger or small data packet, and a transmitter may be configured to transmit a subscriber information request to see whether a subscriber is present. The receiver may be further configured to receive an identity of a second node on a condition that the subscriber is present. The transmitter may be further configured to transmit the trigger or small data packet to the second node over an interface, the second node configured to create an Internet Protocol (IP) packet with an IP address containing the trigger or small data packet and deliver the IP packet to a wireless transmit/receive unit (WTRU) using the IP address and a default or dedicated bearer of the WTRU.

A method for an eUICC embedded into a machine type communication device to trigger the download of a subscription profile from a first network operator, the eUICC being provisioned with an eUICC identifier and a pre-loaded data set memorizing a range of International Mobile Subscription Identifiers associated to a second network operator by selecting randomly by the eUICC an IMSI number in the range memorized in the pre-loaded data set, sending an attachment request comprising the randomly selected IMSI, receiving in an authentication request message the request for getting the eUICC identifier, as a response, sending to the discovery server a authentication failure message, receiving in an authentication request message a temporary IMSI from the discovery server so that the machine type communication device is able to attach to the first network operator and download the pending subscription profile.

A platform in a wireless public land mobile network environment associates a mobile device's unique identifier with a provider of services to the mobile device as well as with the device's anchor network. When the mobile device wirelessly accesses services from a local wireless network while roaming outside of its anchor network's wireless coverage via an APN of the local network, the platform receives electronic data session transaction information records from the local network and replaces the mobile device's unique identifier with a pseudo/replacement unique device identifier that is associated in the platform with the local network and returns the transaction record to the local network instead of to the anchor network.

A method for authorizing a non-IP data delivery service may include receiving a request from a user equipment device (UE) to attach to an access network based on a generic non-internet protocol (IP) access point name (APN), and performing an initial service authorization of the UE for a non-IP data delivery (NIDD) service with the generic non-IP APN. The method may further include generating a specific non-IP APN by combining the generic non-IP APN with an APN originating identifying anchor (OIA), where the APN OIA identifies an organization associated with the NIDD service. The method may include performing a secondary service authorization of the UE within the access network using the APN OIA, and notifying an application server (AS) of the UE availability for the NIDD service using the generic non-IP APN.