Patent ID: 7978684

Claim:
An apparatus, comprising: at least one processor and at least one memory storing computer program code, wherein the at least one memory and stored computer program code are configured, with the at least one processor, to cause the apparatus to at least: cause request, for a service, of pre-session establishment between a communication entity and a serving entity supporting the service, from the serving entity, the pre-session being entered into from an inactive state, cause activation of an association with a data network for the service via a core network, and determine a requirement of a user connection for the service, wherein the at least one memory and stored computer program code are configured, with the at least one processor, to cause the apparatus to cause request of the pre-session establishment by causing the apparatus to cause request of the pre-session establishment before determining the requirement of the user connection, and wherein the at least one memory and stored computer program code are configured, with the at least one processor, to cause the apparatus to cause activation of the association with the data network for the service by causing the apparatus to cause activation of the association with the data network for the service after the request for the pre-session establishment when the requirement of the user connection for the service is determined, wherein the at least one memory and stored computer program code are configured, with the at least one processor, to further cause the apparatus to receive a pre-session establishment indication indicating the pre-session establishment for the service from the serving entity, the pre-session establishment indication comprising a media authorization token.