dule also tracks the order to completion, thus ensuring that the service is rendered to the customer. Quick delivery of service: The use of an order management system auto- mates the order collection and service activation cycle. As a result, the time to deliver services is minimized. The OMS does quick credit checks to ensure the customer has sufficient credit, it can check the inventory module for resources to complete a service request, and the OMS can also trigger flow through provisioning. The order management module communicates (inte- grates) with a variety of modules to reduce the net time to deliver a service to the customer. A lot of manual processes are eliminated: Manual processes are not just time consuming, they are also error prone. In the absence of an order management module, the customer requirements need to be captured manually. Also it should be noted that an order management module is like a central con- trol module that triggers and coordinates activities with multiple modules. Absence of the order management system would mean that these triggers need to be manually activated based on requirement. Proper planning: This helps to reduce time-to-market service. Based on the orders, the customer interests can be identified. So the right set of resources could be made available and innovative services based on the customer order trends can be introduced. Fundamentals of EMS, NMS and OSS/BSS More customer satisfaction: Online self-ordering OMS make the customer feel they are more in control from service selection to activation. The OMS also gives the customer the capability to track their order status and keeps the customer updated on the progress of the order. Trouble conditions during service provisioning and issues raised by the customer as trouble tickets are tracked and resolved by the trouble ticketing module in reference to the order details provided by OMS. A quick delivery of service is also a value added to the customer, which increases customer satisfaction levels. At a high level, the 