Rates of the call shop are usually defined by the administrator, but the rate plans are managed in the main database of the billing system. All the rates are dependent on the charging policy; in case of a destination based billing rates are specified according to the area codes in the supported destinations.
nPlusOne is a wholly owned subsidiary of Edinburgh Network Technologies Ltd. With literally decades of experience in the design and operation of SS7 and IP network infrastructure, hardware and OSS, as well as developer skills building the