Unified Communications as a Service (UCaaS) utilizes cloud technology and Yealink desk phones to improve out-of-date phone systems. UCaaS (also known as Hosted VoIP or Hosted PBX) allows customers to easily reach employees using only one phone number. Whether they’re working remotely, in the field, or in another business location, customers reach who they need with ease. Experience high-definition voice quality, data services, collaboration tools, mobility, contact center functions, along with advanced calling features across all of your business locations and devices.