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.
MamaKall Communication, Inc
Based in California, USA, MamaKall Communication Inc. is an innovative pioneer in value added telecommunication service field especially focusing on VOIP devices research and development. The company has experienced dramatic growth since its incorporation
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