What are the challenges of switching to a remote work solution from an in-house system?

Apart from migrating data and on-premise apps to the cloud as part of the exercise to support remote work, planning how to use or replace the hardware associated with a telephony system like a private branch exchange (PBX) based in the office premises is a significant effort. But with cloud telephony, you can adopt a hybrid model where the solution works with the PBX setup to seamlessly continue call-based business operations.

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