acro-CNX
Centrex is a set of specialized business solutions (primarily, but not exclusively, for voice service) where the equipment providing the call control and service logic functions is owned and operated by the service provider and hence is located on the service provider's premises. Since Centrex frees the customer from the costs and responsibilities of major equipment ownership, Centrex can be thought of as an outsourcing solution
IP Centrex solutions are being developed on a number of platforms, including Class 5 switches as ass-SSW


Features
  • Account Codes - track and manage telecom expenses.
  • Anonymous Call Rejection - automatically reject incoming calls from parties who do not deliver their name or telephone number with the call.
  • Automatic Callback/Ring Again - when encountering a busy signal, a caller can dial an activation code and be automatically called back when the called station becomes idle.
  • Automatic Line/Direct Connect ("Hotline")
  • Call Block - automatically reject incoming calls placed from specific telephone numbers.
  • Call Forwarding (Busy, Multiple Simultaneous, Variable, Selective) .
  • Call Hold (Hard Hold)
  • Call Park
  • Call Pickup
  • Call Restrictions/Station Restrictions
  • Call Return.
  • Call Selector
  • Call Transfer
  • Call Waiting
  • Caller ID .
  • Calling Number Delivery Blocking
  • Music-On-Hold
  • Speed Dialing
  • Three-Way Conferencing