A complete cloud phone system includes a cloud PBX server as the central of your phone system, a SIP trunk provider for your business numbers and to make &receive local/international calls, a UC client which can be installed on your smart phones and computers, and other connected device like IP phones & headsets.
Today, some businesses have embraced cloud phone systems. Some are working on the migration. And others choose to stick with an on-premises PBX approach. The thing is, there is no ultimately better option. Considering the business size, needs, and budget, every business has its own set of requirements, so pick one that suits your business best.
Switching to a cloud-based phone system is not a difficult proposition. Before making the migration, it’s crucial to evaluate your needs and the key merits of your options: