What are Service Specifications?
Introduced in NDM-U 2.0, Service Specifications define the fields that should be present in IPDRDocs for each class of service. For example, the usage data captured for a Voice over IP call is very different from a query made to a Content-hosting Application Service Provider, so each requires its own Service Specification. The formal definition language for Service Specifications is XML DTD’s.Service Specifications are updated or inaugurated to reflect changes in industry practice and new-generation capabilities that can roll out every month in the Internet world.
