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.
TECOM is a leading company in Taiwan telecommunication industry and has been holding its position in this segment for over 30 years. We are designing and manufacturing products for leading brands in the world of digital and IP telephony. Among our custome
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