ZTE Corp. engages in the design, development, manufacture, and sale of information and telecommunication technology products. It operates through the following segments: Carriers’ Network, Consumer Business, and Government and Corporate Business. The Carriers’ Network segment focuses on meeting carries’ requirements in network evolution with the provision of wireless access, wireline access, bearer systems, core networks, telecommunication software systems and services, and other innovative technologies and product solutions. The Consumer Business segment is involved in the production and sale of products such as smart phones, mobile data terminals, family terminals, innovative fusion terminals, related software application, and value-added services. The Government and Corporate Business segment offers informatization solutions for the government and corporations through the application of products such as communications networks, IOT, Big Data, and cloud computing. The company was founded by Wei Gui Hou on February 7, 1985 and is headquartered in Shenzhen, China.

Expanding 4.5 million fixed lines to 20 million in just 12 years, kt introduced universal telephone service to every citizen of Korea, leading the development and advancement of communications services. More recently, kt established an advanced broadband network for the first time in Asia, and launched Korea's first communication satellite 'Mugunghwa (Sharon's Rose)', contributing to making Korea one of the most advanced countries in information and communications. Since becoming a government-funded corporation in 1997, kt changed its business portfolio to focus more on wireless and internet services instead of fixed lines. Taking over Hansol M.com and merging with its subsidiary KTF, kt expanded its business scope and included mobile communication as its main service. kt became a privately owned company in 2002 and began concentrating on building broadband network. As a result, the company set several new records including the increase of ADSL subscribers to 6 million in just 3 years and played a leading role in the age of digital networking.

ZTE USA provides telecommunications equipment and network solutions in the United States. It offers wireless communications systems, wireline switch and access equipment, optical and data communications equipment, handsets, and telecommunications software systems and services. The company also provides Ethernet Passive Optical Network solution that allows multiple system operators to deploy optical distribution network architectures for residential, commercial, and mobile backhaul applications; and remote control switch systems, multi-media communications systems, and communications transmission systems; computer software and digital equipment; integrated circuit products; and electronic components. In addition, it offers technical design, development, consultation, and related services for the research and manufacture of mobile communications systems equipment, satellite communications, microwave communications equipment, beepers, computer hardware and software, closed-circuit televisions, automated signal control, computer information processing, process monitoring systems, and fire alarm systems as well as 3G mobile hotspot. Further, it purchases and sells electronic devices and micro-electronic components; sub-contracts communications and related projects; and engages in the technical development and sale of electronics systems equipment. ZTE USA founded in 2003 and is based in Richardson, Texas. It operates as a subsidiary of ZTE Corp.

Nable Communications provides IP-based communication solutions for operators, enterprises, and handset vendors. Nable’s products are based on SIP and IMS (IP Multimedia Subsystem) standards made by IETF, 3GPP, OMA, etc. Nable was founded in January 2003, and developed SIP based PTT solution for the first time in Korea and demonstrated world’s first PTA (Push-to-All) solution together with Samsung in Cebit. In addition to IMS AS (Application Server) and clients, Nable also has delivered various VoIP infrastructures such as SBC (Session Border Controller), IBCF/TrGW, IP-PBX, and UC (Unified Communications) solution

Siemens Communications, was the communications and information business arm of German industrial conglomerate Siemens AG, prior to 2006. It was the largest division of Siemens, which was divided into two business units - Mobile Networks, and Fixed Networks; and Enterprise business units. Siemens Communications division was founded in 1998 through the amalgamation of a number of early groups / divisions of Siemens AG - the oldest of which traces back to the company 'Siemens & Halske Telegraph Construction Company' founded in 1847, and the most prominent predecessor being the 1978 founded 'Siemens Communication Systems'. On October 1, 2006, Siemens AG decided to divide Siemens Communications into two companies - 'Siemens Networks GmbH & Co. KG' and 'Siemens Enterprise Communications GmbH & Co. KG'. Source: [Wikipedia](http://en.wikipedia.org/wiki/Siemens_Communications)

Deutsche Telekom AG engages in the provision of telecommunications and information technology services. It operates through the following segments: Germany, United States, Europe, Systems Solutions, Group Development, and Group Headquarters and Group Services. The Germany segment comprises fixed-network and mobile activities for consumers and business customers in Germany, as well as telecommunications services for carriers. The United States segment combines mobile activities in the U.S. market. The Europe segment includes fixed-network and mobile operations of the national companies in Greece, Romania, Hungary, Poland, the Czech Republic, Croatia, Slovakia, Austria, North Macedonia, and Montenegro. The Systems Solutions segment offers integrated products and solutions to business customers. The Group Development segment manages entities, subsidiaries, and equity investments. The Group Headquarters and Group Services segment pertains to other Group units and focuses on technology and innovation. The company was founded on January 1, 1995 and is headquartered in Bonn, Germany.

Ademco, Inc., a subsidiary of Resideo Technologies, Inc., is an American company located in Morris Plains, NJ. The firm provides security alarm systems.

Ipageon Co., Ltd. engages in the provision of VoIP and IMS solutions. It offers VoIP Core Solutions, IMS Core Solutions, IoT/M2M and IPT&UC Solutions. The company was founded on January 24, 2013 and is headquartered in Seoul, South Korea.

QUALCOMM, Inc. engages in the development, design, and provision of digital telecommunications products and services. It operates through the following segments: Qualcomm CDMA Technologies (QCT), Qualcomm Technology Licensing (QTL), and Qualcomm Strategic Initiatives (QSI). The QCT segment develops and supplies integrated circuits and system software based on technologies for the use in voice and data communications, networking, application processing, multimedia, and global positioning system products. The QTL segment grants licenses and provides rights to use portions of the firm's intellectual property portfolio. The QSI segment focuses on opening new or expanding opportunities for its technologies and supporting the design and introduction of new products and services for voice and data communications. The company was founded by Franklin P. Antonio, Adelia A. Coffman, Andrew Cohen, Klein Gilhousen, Irwin Mark Jacobs, Andrew J. Viterbi, and Harvey P. White in July 1985 and is headquartered in San Diego, CA.

net2phone is a leading National and International Unified Communications provider. Backed by IDT's Global Network capability, net2phone has over 25 years of providing the most efficient and reliable quality voice and communications experience. net2phone offers unmatched value and services all within a single price point. With a feature-rich, proprietary platform enabling customers to grow their business with smarter conversations, net2phone is the clear provider of choice.

LG Uplus Corp is a South Korean telecommunications and Mobile phone operator controlled by the LG Group, one of the country's largest chaebol. It was formerly known as LG Telecom. LG Telecom became one of the first companies to launch a commercial 3G service using PCS technology. In 1997, this was followed up by launching the second PCS network, offering greatly increased data transmission speeds. LG Telecom also offers a variety of mobile services. BankOn is one of the most popular Mobile banking services in South Korea and MusicOn is an on-line music store. In July 2006, the South Korean government has cancelled LG Telecom's business license for a W-CDMA wireless communications system after the company opted not to develop the technology. LG Telecom will instead continue investing and upgrading in its CDMA2000 EV-DO Rev. A network. In January 2010, LG Telecom merged with LG Dacom and LG Powercom. As of 1 July 2010, LG Telecom changed its name to "LG U+". On July 17th 2013 LG Uplus launched LTE-A service and introduced Galaxy S4 LTE-A, the world’s first "100% LTE" smart mobile phone that can utilize data, voice and text with LTE and not fall back to CDMA. Starting from 2014 LG Uplus plans to release only "100% LTE" phones.

ETRI is the largest government funded research institute in Korea, which strives to advance science by means of formulating innovative ideas; developing new techniques; and training professional individuals in the area of information telecommunications to ultimately enhance social and economical aspects of the modern society.

modu invented, developed and is manufacturing tiny modular phones that can be "modufied" by connecting them with sleek devices known as fys. These devices enhance the functionality of the phone so users can have the smallest possible phone while enjoying a full range of features whenever they want. The company was founded in 2007 by CEO Dov Moran, whose previous company, msystems, invented the USB Flash Drive (DiskOnKey) and sold to SanDisk for $1.6 billion. modu recently launched its smallest, most versatile phone yet: the modu T. At 7.5 cm long, it has been cited by Guinness World Records as the world's lightest touch phone. The modu T phone offers everything you want in a smartphone: 3.5G connectivity, GPS, access to social networks, texting, music functionality, a 2.2" touch screen and 2 GB of storage (expandable to 32 GB memory card). It also includes popular applications like YouTube, Facebook, Twitter, Flickr, eBuddy, Google Search and more. This user-friendly phone can be adapted to be anything you want it to be: a tiny phone for your pocket or a personal media center. You can camerafy it, sportify it, boostify it or textify it, with more fy devices to come. Soon to be launched in various countries, the modu T offers superb call quality and an easy-to-use interface, and runs on Qualcomm's Brew operating system. Also soon to be launched is the long-awaited modu W. - an android based Wi-Fi device with 2.2" touch screen. The modu W is feature rich device with unlimited applications through the modu market. The device allows users to talk, get social, chat, browse the web, play games, watch videos, listen to music and much more.

Telefonaktiebolaget LM Ericsson engages in the provision of telecommunications equipment and related services to mobile and fixed network operators. It operates through the following segments: Networks, Digital Services, Managed Services, and Emerging Business and Other. The Networks segment supports all radio-access technologies and offers hardware, software and related services for both radio access and transport. The Digital Services segment provides software and services in the areas of digital business support systems, operational support systems, cloud communication, cloud core, and cloud infrastructure. The Managed Services segment includes networks and information technology managed services, network design and optimization, and application development and maintenance. The Emerging Business and Other segment encompasses emerging business, Iconectiv, Red Bee Media, and Media Solutions. The company was founded by Lars Magnus Ericsson in 1876 and is headquartered in Kista, Sweden.

Avaya is a global leader in communication systems, applications, and services. Learn about where they've been, where they're headed, and the leaders that are getting them there. The company's communication equipment and software integrate voice and data services for customers including large corporations, government agencies, and small businesses. Its office phone systems incorporate Internet protocol (IP) and Session Initiation protocol (SIP) telephony, messaging, Web access, and interactive voice response. Avaya also offers a wide array of consulting, integration, and other managed IT services. The company sells directly and through distributors, resellers, systems integrators, and telecommunications service providers; more than three-quarters of its sales are made indirectly. Parent company Avaya Holdings filed for an IPO in 2011.

Tatara Systems, Inc. invents, develops, and deploys convergence products for mobile operators and service providers. The company focuses on the personal computer convergence and fixed mobile convergence markets for convergence solutions. It offers Tatara Convergence Server, a voice and messaging convergence product that enables voice and messaging services provided to the installed base of mobile phones; Tatara Subscriber Gateway, a security product for the Femtocell Convergence and the PC Convergence markets; and Tatara Service Manager products, which enable end user access to mobile broadband services from branded service provider on the access network. Tatara Systems, Inc. was formerly known as Broadwave, Inc. The company was founded in 2001 and is headquartered in Acton, Massachusetts. It has additional offices in Vancouver, Canada; and London.

Sony Ericsson Mobile Communications is a global provider of mobile multimedia devices, including feature-rich phones, accessories and PC cards. The products combine powerful technology with innovative applications for mobile imaging, music, communications and entertainment. The net result is that Sony Ericsson is an enticing brand that creates compelling business opportunities for mobile operators and desirable, fun products for end users.\nSony Ericsson Mobile Communications was established in 2001 by telecommunications leader Ericsson and consumer electronics powerhouse Sony Corporation. The company is owned equally by Ericsson and Sony and announced its first joint products in March 2002.\nSony Ericsson products have universal appeal and are different in the key areas of imaging, music, design and applications. The company has launched products that make best use of the major mobile communications technologies, such as the 2G and 3G platforms, while enhancing its offerings to entry level markets.\nSony Ericsson undertakes product research, design and development, manufacturing, marketing, sales, distribution and customer services. Global management is based in London, and R&D is in Sweden, UK, France, Netherlands, India, Japan, China and the US. The management team is led by President Hideki Komiyama, a former senior executive of Sony Europe and one of the key players in the growth of Sony in Europe; and Executive Vice-President and Head of Sales Anders Runevad, the former President of Ericsson Brazil.

Alcatel-Lucent Shanghai Bell Co., Ltd. engages in the provision of information and communication network solutions. Its business activities include optical network, internet protocol network, fixed network, and next generation 5G network services. The company was founded on December 15, 1983 and is headquartered in Shanghai, China.