Read Frank Paul Onwude's full review
Like most Cisco Products, there is a lot of documentation around Cisco Unified Contact Center (Express and Enterprise). Most of the information that is required to maintain, administer and troubleshoot an install is available on the internet or specifically on Cisco's website. There is a large community of users, engineers, etc with different use cases, challenges and solutions to fit almost any scenario. Support is also available through Cisco TAC.