Method and system for processing a request associated with a user from a requesting node to an answering node in a telecommunications network. A repository is associated with the answering node, the repository including a data structure including a plurality of user profiles associated with a plurality of users. In the answering node a user profile of the plurality of user profiles is associated with the user. The method comprising the steps of, assigning a unique user index to each user profile in the data structure, wherein the user index is representative of the location of the user profile within the data structure, communicating at least one user index to the requesting node, incorporating the user index in the request by the requesting node, transmitting the request from the requesting node to the answering node, and retrieving the user profile associated with the user associated with the request by the answering node on the basis of the user index.

It is provided a method, comprising supervising if an information in a registration request is received from a registrar of a network domain, wherein the information comprises an application identity of a user of a terminal device and a network identity; storing, based on the received information, a binding between the application identity and the network identity; determining the network identity based on the binding and a received first request for establishing a communication to the terminal device; providing, based on the received first request, to the network domain, a second request for establishing the communication towards the terminal device, wherein the second request is based on the determined network identity.

Apparatuses and methods for a wireless communication device having multiple Subscriber Identity Modules (SIMs) in which a first SIM is associated with an Internet Protocol (IP) Multimedia Subsystem (IMS) subscription used for IMS services. The method includes but not limited to, attaching the IMS subscription to a first cell of a packet-switched cellular network, determining a cause of IMS voice service being not currently available at the IMS subscription, determining availability of a wireless local area network (WLAN) connection at the IMS subscription, and providing voice service at the IMS subscription based on the cause of IMS voice service being not currently available and the availability of the WLAN connection at the IMS subscription.

At an intermediary dynamic host configuration protocol relay device, over a network, a dynamic host configuration protocol message is obtained from one of a plurality of remote dynamic host configuration protocol relay devices in communication with the intermediary dynamic host configuration protocol relay device over the network. The intermediary dynamic host configuration protocol relay device accesses data pertaining to a plurality of dynamic host configuration protocol back-end servers logically fronted by the intermediary dynamic host configuration protocol relay device. Based on information in the dynamic host configuration protocol message and the data pertaining to the plurality of dynamic host configuration protocol back-end servers, the dynamic host configuration protocol message is routed to an appropriate one of the plurality of back-end dynamic host configuration protocol servers.

A method for RADIUS proxy or Diameter agent address resolution is disclosed. The method may be implemented in a network node including a plurality of message processors. The method includes receiving an inbound RADIUS or Diameter message. The method further includes determining whether address resolution is required for the inbound message. The method further includes, in response to determining that address resolution is required for the inbound message, performing the address resolution. The method further includes routing an outbound message to a destination based on a result of the address resolution, where at least one of the inbound message and the outbound message comprises a RADIUS message.

It is provided a method, comprising supervising if an information in a registration request is received from a registrar of a network domain, wherein the information comprises an application identity of a user of a terminal device and a network identity; storing, based on the received information, a binding between the application identity and the network identity; determining the network identity based on the binding and a received first request for establishing a communication to the terminal device; providing, based on the received first request, to the network domain, a second request for establishing the communication towards the terminal device, wherein the second request is based on the determined network identity.

The present invention relates to a session handling entity in a communication system, the session handling entity (S-CSCF) maintain a relationship between at least one public user identity, at least one private user identity and at least one contact address of a user of a communication system. Then receives from a subscription entity an indication of a correlation identity associated with the user, and stores the indication of the correlation identity as part of the relationship maintained by the maintaining means. When a session request of the user is received, determining the correlation identity for the user based on a contact address of the user included in the session request and the indication of a correlation identity associated with the user take place, and the correlation identity is included in the session request.

A method and a terminal are provided for commanding a set-up of a communication between the terminal and a group of terminals associated with one and the same shared public identity. The method includes a step of the terminal issuing, via a communication network, a communication request intended for the shared public identity; and a step of sending to a management server a request to obtain an item of information representing the number and the state of the terminals in the group of terminals associated with the shared public identity. Following reception of the item of information from the server, the terminal returns the item of information to a user of the terminal.

Method and system for processing a request associated with a user from a requesting node to an answering node in a telecommunications network. A repository is associated with the answering node, the repository including a data structure including a plurality of user profiles associated with a plurality of users. In the answering node a user profile of the plurality of user profiles is associated with the user. The method comprising the steps of, assigning a unique user index to each user profile in the data structure, wherein the user index is representative of the location of the user profile within the data structure, communicating at least one user index to the requesting node, incorporating the user index in the request by the requesting node, transmitting the request from the requesting node to the answering node, and retrieving the user profile associated with the user associated with the request by the answering node on the basis of the user index.

Provided is a wireless communication method. The method includes: receiving a Session Initiation Protocol (SIP) registration request message from a remote terminal device, wherein the remote terminal device accesses the network via a relay terminal device, the SIP registration request message is sent by the remote terminal device to the first CN element via the relay terminal device, and the SIP registration request message comprises first information indicating that the remote terminal device accesses the network in a relay mode; and sending a SIP registration response message corresponding to the SIP registration request message to the remote terminal device.