Over the top (OTT) is a term utilized to allude to content suppliers that provide streaming media as a standalone product specifically to watchers over the Web, multichannel tv, bypassing broadcast communications, and platforms of broadcast tv that customarily act as a controller or merchant of such content. The term is most synonymous with video on demand that are subscription-based administrations that offer get to film and tv content counting existing series obtained from other makers, as well as unique content delivered particularly for the benefit, counting but not restricted to Hulu, Amazon Video, Netflix, and fuboTV as well as a wave of "skinny" tv services that offer get to live streams of straight forte channels comparative to a conventional satellite wireline tv provider, but gushed over the open Web, instead of a closed, private system with restrictive equipment such as set-top boxes. OTT services and applications are provided over the web, clients still require a broadband connection, which can be easily obtained from their cable suppliers. However, conventional distributors will proceed to play an imperative part within the development of OTT since they moreover specialize in zones that TV systems don’t have an expertise in, counting marketing, customer management and sales. Type of Content • OTT messaging OTT messaging is characterized as messaging services that are instant or online chat given by third parties, as a substitute to text messaging administrations given by a mobile network administrator. One of the major examples is the Facebook-owned application WhatsApp that serves to supplant content informing on Web associated smartphones. Other suppliers of OTT messaging incorporate WeChat, Viber, Google Allo and Skype. • OTT television Commonly known as streaming television or internet TV, is the foremost well-known OTT content. This signal is obtained through the web or by the means of a cell phone network, as restricted to accepting the tv signal from a satellite or terrestrial broadcast. The access is restrained by the video merchant, through either an app or an isolated OTT dongle or box, associated to a phone, PC or tv set. By mid-2017, 58% households in the United States access once a month and advertising incomes from OTT channels surpassed those from web browser plug-ins. • OTT voice calling Commonly known as VOIP, functions such as the ones offered by Viber, Skype, WhatsApp and WeChat make use of open internet communication protocols to substitute as well as replace the current services that are controlled by the operator that are offered by mobile phone operators.