Patent ID: 7062024

Claim:
A method of processing a plurality of call detail records (CDRs) each indicative of a call transaction on a telecommunications network, said method comprising the steps of: preliminarily processing said CDRs according to which telecommunications service providers supported the call transactions indicated in said CDRs; in response to a user request from a remote user terminal, receiving said plurality of CDRs at a first controller, each of said CDRs having a data structure including a plurality of fields containing at least one character; selecting a first sorting field from said plurality of fields and grouping said plurality of CDRs as a function of data within said first sorting field, said first sorting field being user selected as a carrier identification field; thereafter analyzing a user-selected second sorting field within each of said CDRs within a group of CDRs sorted by said first sorting field; generating a customized carrier-specific report for each of said grouped CDRs as a function of data within said user-selected second sorting field; delivering said customized carrier-specific report to said remote user terminal; and presenting said customized carrier-specific report to said user at said remote user terminal according to user-selected format preferepces, said customized carrier-specific report being selectively utile for monitoring network usage and making billing statements.