CALX vs T

Calix Inc

Calix, Inc., together with its subsidiaries, provides cloud and software platforms, and systems and services in the United States, the Middle East, Canada, Europe, the Caribbean, and internationally. The company's cloud and software platforms, and systems and services enable communication service providers (CSPs) to provide a range of services. It provides Calix Cloud platform, a role-based analytics platform comprising Calix Marketing Cloud, Calix Support Cloud, and Calix Operations Cloud, which are configurable to display role-based insights and enable CSPs to anticipate and target new revenue-generating services and applications through mobile application. The company also offers EXOS, a carrier class smart home and business operating system that supports residential, business, and mobile subscribers; and AXOS, an operating system for access networks that allows a service provider to deliver all services on a single, elastic, converged access network that is always on, simple to operate, and quick to deploy. It offers its products through its direct sales force and resellers. Calix, Inc. was incorporated in 1999 and is headquartered in San Jose, California.

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.