l inter- actions including revenue settlement and scenarios where the transactions with partners have to happen in real time. 29. Work force management: This application is intended to manage the tasks performed by field service executives. When a new work order or trouble ticket is raised that needs support from a field support executive or techni- cian, an appropriate resource is identified for completing the task using a work force management application. This is achieved by keeping an active record of the resource mapping the field skill sets, work load, current loca- tion, and SO on, which helps to map the task to most appropriate resource. The application is mainly intended for service provisioning for a new order or change in settings and for service assurance to handle a trouble condition. There are different attributes of a work force professional that needs to be considered in allocating tasks. These attributes include shift time, job func- tions, skill sets, and availability. Along with work force attributes the service provider attributes like optimal staffing, cost to resolve, and expected daily work load also needs to be considered. The results of the task are recorded for future planning and an analysis of resource effectiveness in completing an allocated task. 30. Financial management: These applications are used to manage the cost of telecommunication services. Cost of service is managed with evolution or change in service with telecom financial management application. Financial management deals with service inventory, contract inventory, and cost con- trol. Service and contract inventory needs to be reconciled against the invoice to ensure that the services subscribed by the customer are invoiced correctly. It is essential that financial management generate savings from billing error identification and correction. Validating the accuracy of service charges includes investigating service charge amounts for contractual accuracy and confirming service charges are covered in financial management. Fi