Avaya is a recognized innovator leading business communications for the digital age. Avaya delivers smart global solutions and technologies for customer and team engagement, unified communications and collaboration, contact center and customer experience management, and networking. We provide related services to large enterprises, midmarket companies, small businesses, and government organizations around the world. Avaya Solutions bring people together with the right information at the right time in the right context, helping to enable a higher level of engagement among customers, teams, employees and partners to improve efficiency and quickly address critical business challenges. Designed to be highly scalable, reliable, secure and flexible, these solutions help reduce costs and simplify management while providing a platform for next-generation engagement and collaboration. They are available in a variety of deployment models including public, hybrid and private cloud as well as on a customer’s premises. All are supported by Avaya’s portfolio of professional and support services.

uawei Technologies Co. Ltd. is a Chinese multinational networking and telecommunications equipment and services company headquartered in Shenzhen, Guangdong. It is the largest telecommunications equipment manufacturer in the world, having overtaken Ericsson in 2012. Huawei was founded in 1987 by Ren Zhengfei, a former engineer in the People's Liberation Army. At the time of its establishment, Huawei was focused on manufacturing phone switches, but has since expanded its business to include: building telecommunications networks; providing operational and consulting services and equipment to enterprises inside and outside of China; and manufacturing communications devices for the consumer market. Huawei has over 170,000 employees as of September 2015, around 76,000 of whom are engaged in research and development (R&D). It has 21 R&D institutes in countries including China, the United States, Canada, the United Kingdom, Pakistan, France, Belgium, Germany, Colombia, Sweden, Ireland, India, Russia, and Turkey, and in 2014, the company invested $6.4 billion USD in R&D, up from $5 billion USD in 2013. In 2014, Huawei recorded a profit of 34.2 billion CNY (5.5 billion USD). Its products and services have been deployed in more than 140 countries and it currently serves 5 of the world's 50 largest telecoms operators. Source: https://en.wikipedia.org/wiki/Huawei

IBM manufactures and markets computer hardware, middleware and software and offers infrastructure, hosting and consulting services in areas ranging from mainframe computers to nanotechnology.