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Chunghwa Telecom Co., Ltd., together with its subsidiaries, provides telecommunication services in Taiwan and internationally. It operates through Consumer Business, Enterprise Business, International Business, and Others segments. The company offers local, domestic long distance, and international long distance fixed-line telephone services; mobile services such as prepaid and postpaid plans; broadband plans; and internet and data services. Chunghwa Telecom Co., Ltd. was incorporated in 1996 and is headquartered in Taipei City, Taiwan.

IDT Corporation provides communications and payment services in the United States, the United Kingdom, and internationally. It operates through Fintech, National Retail Solutions, net2phone, and Traditional Communications segments. The company operates point of sale, a terminal-based platform which provides independent retailers store management software, electronic payment processing, and other ancillary merchant services; and provides marketers with digital out-of-home advertising and transaction data. It also offers BOSS Money for international money remittance, and related value and payment transfer services; and Leaf, a digital wallet services which operates money transfer businesses, as well as net2phone, a unified cloud communication services, which includes voice, texting, and chat services to enable smarter business conversations. In addition, the company provides IDT Digital Payments enables businesses, entrepreneurs, and developers to offer prepaid digital offerings including mobile airtime top-up, mobile data bundles, digital gift cards, and prepaid utility payments through its Zendit platform; and BOSS Revolution Calling, which provides international long-distance voice services primarily to immigrant communities in the United States and Canada. Further, it offers IDT Global, a wholesale provider of international voice and SMS termination, and outsourced traffic management solutions to telecoms; and IDT Express, a unique self-serve portal that offers SMBs the power to purchase DIDs, manage IPs, select termination quality, make payments, and other services. The company also provides Awards2Go, a B2B incentive, loyalty, and customer appreciation gift card solution; and IO Security which provides automation to remediation. IDT Corporation was incorporated in 1978 and is headquartered in Newark, New Jersey.

Sify Technologies Limited provides integrated ICT solutions and services in India and internationally. It operates through Network Centric Services, Data Center Services, and Digital Services segments. The Network Centric Services segment offers internet, internet protocol and multi-protocol label switching virtual private network, SDWAN, managed Wi-Fi, internet of things, wholesale and retail voice, managed services, dedicated internet access, and proactive monitoring and management of the network and devices. The Data Center Services segment provides co-location services; and managed data center services, such as storage and back-up management, performance monitoring, infrastructure monitoring and management, network availability, server load balancing, managed shared firewall, web server log reporting, and remote and smart hands services. The Digital Services segment offers managed network services; EDGE services; cloud and managed services including cloud and storage solutions, managed services, value added services, domestic and international managed services; and technology integration services include system integration, data centers build, network, security solutions, remote and onsite infrastructure management, managed security services, as well as sale of hardware and software. This segment also offers applications integration services, such as talent management, supply chain management, online assessment, web development, document management, content, digital signature, digital certificate based authentication, supply chain solutions, content management, sale of digital certificates; and sale, implementation, and maintenance of industry specific applications; supply chain software, and eLearning software development services; and operates web portals. The company was formerly known as Sify Limited and changed its name to Sify Technologies Limited in October 2007. Sify Technologies Limited was incorporated in 1995 and is headquartered in Chennai, India. Sify Technologies Limited is a subsidiary of Ramanand Core Investment Company Private Limited.

AT&T Inc. provides telecommunications and technology services worldwide. The company operates through two segments, Communications and Latin America. The Communications segment offers wireless voice and data communications services; and sells handsets, wireless data cards, wireless computing devices, carrying cases/protective covers, and wireless chargers through its own company-owned stores, agents, and third-party retail stores. It also provides Virtual Private Networks, AT&T Dedicated Internet, Ethernet, data services, cloud solutions, outsourcing, and managed professional services, as well as customer premises equipment for multinational corporations, small and mid-sized businesses, governmental, and wholesale customers. In addition, this segment offers broadband services, including fiber connections, legacy telephony voice communication services, and other VoIP services and equipment to residential customers. This segment markets its communications services and products under the AT&T, AT&T Business, Cricket, AT&T PREPAID, and AT&T Fiber brand names. The Latin America segment provides postpaid and prepaid wireless services in Mexico under the AT&T and Unefon brand names, as well as sells smartphones through its owned stores, agents and third-party retail stores. The company was formerly known as SBC Communications Inc. and changed its name to AT&T Inc. in 2005. AT&T Inc. was incorporated in 1983 and is based in Dallas, Texas.