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.
The Annatel Networks company is registered in France. We offer a telephony service via Internet accessible throughout the world. Annatel offers innovative services in the field of telecoms, pushing the boundaries of technology and threatening the supremac
Read more