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AT&T CallVantage was a voice over Internet Protocol telephone service first offered in 2004 by AT&T Corp., upon the heels of its announcement that it would stop seeking traditional local and long-distance landline customers.[ citation needed ]
After SBC Communications purchased AT&T Corp. in 2005 and renamed itself AT&T Inc., CallVantage was offered as an option with AT&T Yahoo! DSL service, formerly known as SBC Yahoo! DSL. [1]
AT&T CallVantage competed with other VoIP providers, such as Vonage. When AT&T U-verse Voice was unveiled January 28, 2008, AT&T continued to market CallVantage to customers without U-verse, particularly customers outside AT&T's local phone service territory. [2] However, AT&T suspended new business later in 2008 "to evaluate CallVantage service." [3] [4]
In a letter dated April 17, 2009, AT&T notified all existing CallVantage subscribers that the service would be discontinued and no longer available later in 2009, [5] which occurred October 20, 2009.
In telecommunications, a customer-premises equipment or customer-provided equipment (CPE) is any terminal and associated equipment located at a subscriber's premises and connected with a carrier's telecommunication circuit at the demarcation point ("demarc"). The demarc is a point established in a building or complex to separate customer equipment from the equipment located in either the distribution infrastructure or central office of the communications service provider.
Digital subscriber line is a family of technologies that are used to transmit digital data over telephone lines. In telecommunications marketing, the term DSL is widely understood to mean asymmetric digital subscriber line (ADSL), the most commonly installed DSL technology, for Internet access.
Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. The terms Internet telephony, broadband telephony, and broadband phone service specifically refer to the provisioning of communications services over the public Internet, rather than via the public switched telephone network (PSTN), also known as plain old telephone service (POTS).
Vonage is a publicly held business cloud communications provider. Headquartered in Holmdel Township, New Jersey, the company was founded in 2001 as a provider of residential telecommunications services based on voice over Internet Protocol (VoIP).
Internet Protocol television (IPTV) is the delivery of television content over Internet Protocol (IP) networks. This is in contrast to delivery through traditional terrestrial, satellite, and cable television formats. Unlike downloaded media, IPTV offers the ability to stream the source media continuously. As a result, a client media player can begin playing the content almost immediately. This is known as streaming media.
A naked DSL, also known as standalone or dry loop DSL, is a digital subscriber line (DSL) without a PSTN service — or the associated dial tone. In other words, only a standalone DSL Internet service is provided on the local loop.
A session border controller (SBC) is a network element deployed to protect SIP based voice over Internet Protocol (VoIP) networks.
The next-generation network (NGN) is a body of key architectural changes in telecommunication core and access networks. The general idea behind the NGN is that one network transports all information and services by encapsulating these into IP packets, similar to those used on the Internet. NGNs are commonly built around the Internet Protocol, and therefore the term all IP is also sometimes used to describe the transformation of formerly telephone-centric networks toward NGN.
In telecommunications, triple play service is a marketing term for the provisioning, over a single broadband connection, of two bandwidth-intensive services, broadband Internet access and television, and the latency-sensitive telephone. Triple play focuses on a supplier convergence rather than solving technical issues or a common standard. However, standards like G.hn might deliver all these services on a common technology.
The breakup of the Bell System was mandated on January 8, 1982, by an agreed consent decree providing that AT&T Corporation would, as had been initially proposed by AT&T, relinquish control of the Bell Operating Companies that had provided local telephone service in the United States and Canada up until that point. This effectively took the monopoly that was the Bell System and split it into entirely separate companies that would continue to provide telephone service. AT&T would continue to be a provider of long-distance service, while the now-independent Regional Bell Operating Companies (RBOCs), nicknamed the 'Baby Bells', would provide local service, and would no longer be directly supplied with equipment from AT&T subsidiary Western Electric.
AT&T Internet Services is a trade name for several affiliated companies. AT&T Internet Services provides the ATT.net consumer web portal and information service.
AT&T U-verse, commonly called U-verse, was an AT&T brand of triple-play telecommunications services, although the brand is now only used in reference to the IPTV service. Launched on June 26, 2006, U-verse included broadband Internet, IP telephone, and IPTV services in 48 states.
Neuf Cegetel was a French wireline telecommunications service provider and a mobile virtual network operator (MVNO). It offered various telecommunications services to consumers, enterprises and wholesale customers, ranking second in the country in annual revenues. It was legally established in 2005 following the completion of the merger between Neuf Telecom and Cegetel. As of June 2008, the company became a wholly owned subsidiary of SFR, and the brand disappeared commercially.
The prevalent means of connecting to the Internet in Germany is DSL, introduced by Deutsche Telekom in 1999. Other technologies such as Cable, FTTH and FTTB (fiber), Satellite, UMTS/HSDPA (mobile) and LTE are available as alternatives.
Ooma, Inc., or Ooma, is an American publicly traded consumer telecommunications company based in the Silicon Valley, California area. Ooma offers Voice over IP (VoIP) calling using an Internet connection to support a range of communications solutions for small business, home and mobile users. In 2015, Ooma was named one of the fastest-growing private companies by Silicon Valley Business Journal.
Iristel is a Canadian provider of Voice over Internet Protocol services, and is designated as a competitive local exchange carrier. The company was founded in 1999, and is headquartered in Markham, Ontario.
Sonic is a telecommunications company and internet service provider based in Santa Rosa, California, acting as a competitive local exchange carrier in the San Francisco Bay Area, Sacramento, and Los Angeles.
EarthLink is an American Internet service provider.
Verizon Fios, also marketed as Fios by Verizon, is a bundled Internet access, telephone, and television service that operates over a fiber-optic communications network with over 5 million customers in nine U.S. states. The name, Fios, is an acronym for Fiber Optic Service. Service is offered in some areas of the United States by Verizon Communications, while Frontier Communications operates licensed FiOS services in former Verizon territories across six states, using a nearly identical network infrastructure. Fios service began in 2005, and networked areas expanded through 2010, although some areas do not have service or cannot receive TV and phone service because of franchise agreements.
GENBAND US LLC was a privately held company that makes IP-based real time communications software products for fixed wireline, mobile, and cable service providers as well as large enterprises. The company was formed in 1999 as General Bandwidth, and is headquartered in Frisco, Texas. In the following 15 years it acquired several other companies doing related work.
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