 SO that a single mouse click can result in selection, assignment, and provisioning of resources. Order management: The solution for order management will have a Web user interface (UI) or graphical user interface (GUI) that guides the user through the ordering process. The range of services that can be offered has increased, SO has the value-added services offered with the basic service. There are also bundled services offered where a single order would have multiple services like phone, broadband internet, TV subscription, and SO on. The order man- agement is the main input feed for offering a service and there would be multiple inputs required in order management that may not be relevant for all customers. So the order management system needs to provide default values to ensure that order is completed in the minimum time possible and also be robust to avoid any errors in the order. Once the order is taken, the order What Is OSS and BSS? management solution also has to trigger modules like service provisioning to complete the order. Trouble ticket management: Centralized management of defects including ensuring defect closure and providing consolidated reports is required for infrastructure and product planning. The trouble ticket manager interfaces with fault management modules in the network and provides a centralized repository of troubles that needs to be fixed. This helps to improve the service quality and the response time in fixing a trouble condition. There will be different kinds of reports that can be generated by trouble ticket manager, which will give information on network equipments that get faulty most of the time, wrong configurations that degrade performance, efficiency of bug fixing team in fixing problems, map faults to modules or release products from specific vendors, customer quality of service, and issues reported by cus- tomer including outage of service. A trouble ticket can be raised by the cus- tomer, the service provider, or some predefined fault logs will automatically register as a