A Hosted Phone System is rented, whereas an IP Phone System, you buy it for your use and choose where to host it.
And IP Phone Systems are connected via Ethernet
* Flexibility
* Scalability
* Business Continuity
* Minimal set-up costs
* No physical hardware
* Speedy installation
* You own the system
* You choose where to host it
* No long-term contracts
* Variety of features
There is only one:
You need a reliable internet connection. The internet determines the voice quality so a good connection is paramount.
* Up-front costs can be hefty
* Maintenance is your responsibility
* Upgrades are at your expense
* You will need to choose where to host it - on premise or externally