Every organization is different, and you should expect your UCaaS solution provider to help design your system, plan your roll-out, and embed enhancements.
A deep understanding of your current and future business vision should drive the UCaaS deployment. So take the time to meticulously plan the foundations of a successful roll-out.
Planning, figuring out your goals and drivers and assessing your business needs are the first and most important steps of any new UCaaS deployment.