Enhanced media control

A policy control rules server for generating control rules based on service information received from application devices and for installing said control rules in a policy enforcement device responsible for guaranteeing a bandwidth Quality of Service (QoS) for media associated with authorized services, the policy control rules server comprising:

• a receiver configured to receive, from application devices, a number of previous service authorization requests and a subsequent service authorization request for a subscriber, each service authorization request respectively indicating associated media and bandwidth QoS required for the associated media;
• an authorizer configured to authorize the previous and subsequent service authorization requests;
• a rules generator configured to generate control rules for the previous and subsequent service authorization requests, respectively;
• and
• a sender configured to submit, to the application devices, respective authorization responses to the previous and subsequent service authorization requests, and configured to submit, to a policy enforcement device, respective control rules;
• storage configured to store a selective authorization criterion per subscriber, the selective authorization criterion selectable from a group of selective authorization criteria including:
• service incompatibilities,
• subscribed bandwidth QoS per subscriber,
• pre-emption priority value per each service allowable for each subscriber, and
• combinations thereof;
• a selector configured to select, amongst the previously authorized services, services that may be inactivated as a result of applying the selective authorization criterion for the subscriber;
• the authorizer being further configured to put on hold the selected previously authorized services;
• and
• the sender being further configured to submit, to the respective application device, a notification indicating those selected previously authorized services to be put on hold.