You cannot apply a “one size fits all” approach to telecoms as it should be a case of “what’s the best fit for you?” Where one business would benefit from a hosted VoIP telephone solution, another may be best suited to on an on-premise platform.
Each business operates in a unique manner, so to gain the optimum value from technology, it is important to consider the core objectives of the business in the immediate and longer term to enable the design of a solution that is tailored to fit your specific needs.
Our Guide to On-Premise Vs Hosted Telephone Systems - What's the Difference? is designed to explain the difference between the two types of VoIP telephone system, so you can decide which one may suit your business the best. If you are still unclear, do not hesitate to contact me for further advice.