Cost Comparison of a Hosted PBX Versus a Traditional PBX

This whitepaper describes the cost structures of implementing a traditional PBX compared to the costs of implementing a hosted PBX solution in the same office. All calculations are done from a Dutch perspective. In this whitepaper, the authors assume to have an office with 25 workplaces and an average of 5 remote workplaces. In the traditional setup, the PBX is placed on the office premises. ISDN lines and phone numbers are connected to the PBX for employees to make outgoing calls and as well as receiving inbound calls.