This Recommendation describes the procedures and the signalling protocol for reporting online Quality of Service (QoS) monitoring on a call-by-call basis within the H.323 system. This monitoring is performed by the end-points based on real time traffic statistics and reported to the gatekeeper at periodic intervals, or at call conclusion. These procedures use the H.323 Generic Extensibility Framework (GEF) and therefore do not require any changes to the base standards.