Patent ID: 9363837
Filing Date: 2016-06-07
CPC Classification: H04L,H04M,H04W

Claim Text:
1. A method of operating a Policy and Charging Rules Function (PCRF) associated with a first user to establish a communication session between the first user and a second user at a required Quality of Service, the method comprising: receiving a Quality of Service authorisation request at a receiver of a PCRF, the request including said required Quality of Service required by the first user and an additional Quality of Service required by the second user; determining, by a processing circuit of the PCRF, if a subscription of the first user allows sufficient Quality of Service for both the required Quality of Service and the additional Quality of Service; if the subscription of the first user does allow sufficient Quality of Service for both the required Quality of Service and the additional Quality of Service, the processing circuit: if the subscription of the first user does not allow sufficient Quality of Service for both the required Quality of Service and the additional Quality of Service, the processing circuit: