Wholesale long distance operates with razor thin margins and presents challenges in the following areas: Call Detail Record (CDR) volumes, Dialing Digit management, least cost routing (LCR) and analysis, regular provisioning of switch with LCR, daily changes to customer and vendor rates, network management, vendor auditing, profitability watch on daily basis, and pricing of customer rates for every destination. Cadebill has enormous strengths in managing the entire wholesales operations. Cadebill flexible rule based system with powerful rating and processing engine handles millions of CDRs with ease. Its powerful dialing digit management provides dialing digit management for each vendor and customer with start and end dates. Least cost routing (LCR) module allows provisioning a switch ranking from most competitive vendor to least competitive for each destination. Traffic analysis and management module helps to monitor the network traffic, Quality of Service (QoS) such as Answer Seizure ratio (ASR), Post Dialing Delay (PDD), traffic volumes, traffic patterns etc. Vendor auditing module provides methods to accurately calculate vendor traffic and the cost of the vendor traffic to be audited against a vendor bill. Financial management module accurately calculates revenue, cost, and profit/loss with complete drill down capability. Cadebill Smart Rater module facilitates rating a customer destination based on cost of traffic. Customer rate change notices sent automatically by email, fax, and xml with no manual intervention. Cadebill has the full functionality to manage the entire wholesale operation.