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.
Pearl Telecoms, a division of Pearl Inc, is now probably the fastest growing operator specialising in terminating Cell numbers traffic at very competitive rates all over the world. Pearl Telecoms , using the latest technology in telecom switching, prides
Read more