The adoption of cloud based services have transformed the way in which businesses can consume technology. The XaaS, or as a service, model has various business benefits and organisations globally are realising these through the uptake of subscription services. One of the most transformational service platforms to develop over recent years is that of CPaaS. The communications platform as a service model offers businesses and developers the chance to leverage cloud services and integrate communications tools such as voice, video and messaging into their existing software platforms, without the requirement for their own infrastructure. So why is CPaaS so popular? Today we examine CPaaS with Cavell, thought-leading analysts in the communications space, and, communications and networking specialists, Alcatel-Lucent Enterprise.