Unified communications is a dynamic and increasingly crowded market space containing both traditional PBX (News - Alert) providers who have expanded in new ways, companies that grew up in the IP age, and both giants like Microsoft and newcomers like Slack that came in with other services first and then added phone calling functionality to their solutions.

Here are some of the UC solutions that TMC (News - Alert) management deems as top-drawer in this industry. We present the UC Product of the Year award winners.