Centrex saves money over PBX systems by reducing both maintenance and expansion costs and by lowering expenses over a typical five-year contract. Centrex offers a full set of features, cuts down on customer's maintenance budens, and expands easily as the communication needs grow. The Centrex System is comprised of five separate components that create the Centrex System Architecture.

• - Common Block
• -Network Access
• -Miscellaneous Facility Terminations
• -Station Lines
• -Customer Provided Equipment

To obtain a more in-depth explanation of each of the five components, you can access the lessons under the 'Lessons' tab above.