The present invention relates generally to communication systems, and more specifically, but not exclusively to a method and apparatus for quality of service control for a user equipment in a communication system comprising a home network with respect to the user equipment and a visited network. In accordance with a first aspect of the present invention, there is provided a method of quality of service control for a user equipment in a communication system comprising a first network and a second network, the first network being a home network with respect to said user equipment and the second network being a visited network with respect to said user equipment, the method comprising: receiving authorization information at said user equipment from the first network, said authorization information having data related to an entitlement to quality of service for said user equipment; holding said authorization information at said user equipment; performing a comparison of said entitlement to quality of service with a quality of service provided by the second network; and in dependence on said comparison, sending a message from said user equipment to the second network requesting an upgrade of quality of service.