Abstract: An apparatus configured to: determine at least one policy and charging control rule, wherein the at least one policy and charging control rule applies to a plurality of protocol data unit sessions, wherein the at least one policy and charging control rule is associated with at least one indication of at least one of the plurality of protocol data unit sessions to which the at least one policy and charging control rule applies; and provide the at least one policy and charging control rule.

Abstract: An apparatus including circuitry configured to: receive, from a first user equipment, a session initiation protocol invite request to a second user equipment, wherein the session initiation protocol invite request includes information related to at least one avatar; transmit at least one signing request to a signing server, the at least one signing request including the information related to the at least one avatar as part of a signing process; receive, from the signing server, a response to the at least one signing request, wherein the response to the at least one signing request includes a signed token or other relevant information created during the signing process in relation with the at least one avatar; and forward, to a network entity, the session initiation protocol invite request with an identity header, wherein the identity header includes the signed token or the other relevant information created during the signing process.

Abstract: There are provided measures for flow-specific congestion handling. Such measures may include deciding, for a first congestion notification marking enabled traffic flow, parameter information for modifying a congestion notification marking rate to be applied to said first congestion notification marking enabled traffic flow, and transmitting, towards a network entity, a message including said parameter information.