Abstract: A method of operating a call duration analysis system comprises receiving a plurality of call detail records (CDRs) comprising information associated with a plurality of calls over a wireless communication network, processing the CDRs to determine an average call duration for the wireless communication network, processing the CDRs with the average call duration for the wireless communication network to determine at least one wireless access node associated with a below-average call duration, processing the CDRs associated with the wireless access node to determine a first set of the CDRs associated with the wireless access node exhibiting a good RF status and a second set of the CDRs associated with the wireless access node exhibiting a bad RF status, and processing the first set of the CDRs to determine a wireless communication device type associated with the below-average call duration.

Abstract: A process for graphic display of network performance information includes querying a number of platforms serving communication network functions for performance data, scaling such data to a scale of colors, displaying hierarchically linked sets of graphic objects which are color coded to represent the performance of network functions with which they are associated. Graphic selection of an object can either cause immediate display of related numeric information or can cause the display of a lower level set of objects which may be color coded to performance indexes, conventional graphic renderings of data, or alphanumeric expressions of data. The process enables effective monitoring of a complex operation and expedites isolation of network problems.