
Voice over IP is voice service over the internet. It shares network lines which can reduce costs when implementing infrastructure.
VoIP can cut costs in several ways:
3Com is a user friendly, easy to maintain phone system. Changes are able to be done by the end user. Extra features provided by a phone company are traditional business phone systems for a fee, and are built into NBX systems that save money. The systems can either be answered by a live attendant or using pre-recorded options.