The system of Classes of Service (COS) helps defining rights for one or another extension in the PBX or Centrex systems. For example, few groups require more space for storing voice messages, while other need the redirection of calls to cell phones, the third does not have to make calls outside of the office network. With the help of this system one can change and configure settings.
River City Internet Group, LLC, (RCIG), is a Missouri Corporation that holds seven unique operating companies that deliver IP based services enabling Residential, Enterprise and Carriers with front office, backend, connectivity and management technologies
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