Alternate Caller ID
With the help of this function you can do so that when you call the number which you will indicate from the list registered on your account will display at the called subscriber.
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.
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