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.
Interphone, is a Costa Rican company dedicated to telecommunications on VoIP, which is properly regulated and licensed (SUTEL-TH-037) by SUTEL (Superintendencia de Telecomunicaciones) to provide point to point channels, carrier IP telephony and IP telepho
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