A system for providing a high communications quality is provided. The system comprises: (a) an input operable to receive a message from at least one of first and second network nodes 200 and 204, the first and second network nodes communicating with one another in a session and the message indicating a service problem with the session and (b) a statistic collection agent 248 operable to cause, in response to the message, at least one of the following operations: (i) reconfiguration of one or more attributes or resources in the network; (ii) variation of a sampling frequency of one or more session-related performance attributes associated with the network; (iii) alteration of the types of session-related performance attributes being collected regarding the network; and (iv) collection of session-related information from nodes other than the at least first and second network nodes.