Telecommunication network support for service based policy in roaming configurations

A device for invention can) is provided with multiple two parts the policy decision function filler; A part represents ownership network application function, the other part represents the access network resource carrier and local strategy. Policy decision function the communication and a QoS control request of access network and represents the ownership network and application of a part of supporting and application function. The mixed decision function the other part of the access network and strategies carried out of the alternating and represents with resources is associated access network local policy and roaming protocol the strategy.