What is the difference between PBX and Centrex?

The PBX is also known as Private Box Exchange, and this is something that companies used when they know that the costs of communicating from one office to another have greatly increased. The Centrex is a type of service that is used to make sure that the PBX system is going to work well.

Other main difference between the two is their location. The PBX is usually located within the premises of the customer while the Centrex is located in the provider’s location. Take note that there are different ways that businesses can already communicate right now. Some obvious changes have made communicating more cost-effective now.