ADTN vs T

ADTRAN Holdings Inc.

ADTRAN, Inc. provides networking and communications platforms and services for service providers, cable/multiple system operators, small- to medium-sized business, and distributed enterprises in the United States, Germany, Mexico, and internationally. The company operates through two segments, Network Solutions, and Services & Support. It offers fiber to the premises and fiber to the node (FTTN) multi-service access nodes (MSAN); fiber aggregation and FTTN MSAN; network management and subscriber services control and orchestration software; software defined networking -controlled programmable network elements; fiber to the distribution point units; optical line terminals and transport solutions; IP-based digital subscriber line access multiplexers; cabinet and outside plant enclosures and services; transceivers, cables, and other miscellaneous materials; and other products, software, and services. The company also provides broadband customer premise solutions and point-to-point Ethernet optical network terminals; radio frequency over glass micro nodes; ethernet switches for multi-gigabit local area networking; SmartOS software licensing for residential gateway and Wi-Fi devices; cloud-based SaaS management platforms; Wi-Fi-enabled residential gateway products and accessories; managed mesh Wi-Fi solutions for cloud-managed connectivity; virtual wireless local area networks for business-class Wi-Fi and management; and pre-sale and post-sale technical support. In addition, it offers planning, engineering, program management, maintenance, installation, and commissioning services. Further, the company offers time division multiplexed and asynchronous transfer mode-based aggregation systems and customer devices; and high-bit-rate digital subscriber line, asymmetric digital subscriber line, and other technologies to deliver business and residential services. ADTRAN, Inc. was incorporated in 1985 and is headquartered in Huntsville, Alabama.

AT&T Inc.

AT&T Inc. provides telecommunication, media, and technology services worldwide. The company operates through Communications, WarnerMedia, and Latin America segments. The Communications segment offers wireless voice and data communications services; video and targeted advertising services; broadband, including fiber, and legacy telephony internet and voice communication; and wireline telecom services. It also sells handsets, wirelessly enabled computers, wireless data cards, and IP-based set-top boxes, as well as various accessories, such as carrying cases and hands-free devices through the company-owned stores, agents, and third-party retail stores. This segment markets its communications services and products under the AT&T, Cricket, AT&T PREPAIDSM, AT&T TV, AT&T Fiber, and DIRECTV brand names. The WarnerMedia segment primarily produces, distributes, and licenses television programming and feature films; distributes home entertainment products in physical and digital formats; and produces and distributes mobile and console games, and consumer products, as well as offers brand licensing services, and advertising services. It also operates cable networks; video on demand streaming platform under the HBO Max and HBO GO names; multichannel pay television services under the HBO and Cinemax; and digital media properties, as well as licenses its content to television networks and over-the-top services. The Latin America segment offers video entertainment and audio programming services under the DIRECTV and SKY brands primarily to residential customers; pay-TV services, including HD sports video content; and postpaid and prepaid wireless services under the AT&T and Unefon brands, as well as sells various handsets through company-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 November 2005. AT&T Inc. was incorporated in 1983 and is headquartered in Dallas, Texas.