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Telecomunicações Móveis Nacionais
MEO (formerly TMN and PTC) is a mobile and fixed telecommunications service and brand from Altice Portugal (formerly Portugal Telecom), managed by MEO - Serviços de Comunicações e Multimédia. The service was piloted in Lisbon in 2007 and was later extended to Porto and Castelo Branco. It was created on September 18, 2000, about 9 months after the liberalization of the Fixed Telecommunications Market in Portugal, it was considered the Historic Fixed Network Operator. On December 29, 2014, Portugal Telecom extinguished the subsidiary TMN, which in January had changed its name to "MEO", integrating its subsidiary into PT Comunicações. On the same date, PT Comunicações adopted the name of the extinct subsidiary – "MEO – Serviços de Comunicações e Multimédia". History MEO in its current form was founded in 2007 after the separation of PT Comunicações and PT Multimédia (later ZON and today now NOS). While PT Multimédia employed coaxial cables, after separati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Service (economics)
A service is an act or use for which a consumer, company, or government is willing to payment, pay. Examples include work done by barbers, doctors, lawyers, mechanics, banks, insurance companies, and so on. Public services are those that society (nation state, fiscal union or region) as a whole pays for. Using resources, skill, ingenuity, and experience, service providers benefit service consumers. Services may be defined as intangible acts or performances whereby the service provider provides value to the customer. Key characteristics Services have three key characteristics: Intangibility Services are by definition intangible. They are not manufactured, transported or stocked. One cannot store services for future use. They are produced and consumed simultaneously. Perishability Services are perishable in two regards: * Service-relevant resources, processes, and systems are assigned for service delivery during a specific period in time. If the service consumer does not request ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
ADSL
Asymmetric digital subscriber line (ADSL) is a type of digital subscriber line (DSL) technology, a data communications technology that enables faster data transmission over Copper wire, copper telephone lines than a conventional voiceband modem can provide. ADSL differs from the less common symmetric digital subscriber line (SDSL). In ADSL, Bandwidth (computing), bandwidth and bit rate are said to be asymmetric, meaning greater toward the customer premises (downstream (networking), downstream) than the reverse (upstream (networking), upstream). Providers usually market ADSL as an Internet access service primarily for downloading content from the Internet, but not for serving content accessed by others. Overview ADSL works by using spectrum above the band used by voice telephone calls. With a DSL filter, often called ''splitter'', the frequency bands are isolated, permitting a single telephone line to be used for both ADSL service and telephone calls at the same time. ADSL is ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Madeira
Madeira ( ; ), officially the Autonomous Region of Madeira (), is an autonomous Regions of Portugal, autonomous region of Portugal. It is an archipelago situated in the North Atlantic Ocean, in the region of Macaronesia, just under north of the Canary Islands, Spain, west of the Morocco and southwest of mainland Portugal. Madeira sits on the African Plate, African Tectonic Plate, but is culturally, politically and ethnically associated with Europe, with its population predominantly descended from Portuguese settlers. Its population was 251,060 in 2021. The capital of Madeira is Funchal, on the main island's south coast. The archipelago includes the islands of Madeira Island, Madeira, Porto Santo Island, Porto Santo, and the Desertas Islands, Desertas, administered together with the separate archipelago of the Savage Islands. Roughly half of the population lives in Funchal. The region has political and administrative autonomy through the Autonomous Regions of Portugal#Const ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CTT Correios De Portugal
CTT – Correios de Portugal, S.A. (, ) is a Portuguese company that operates as both the national postal service of Portugal and a commercial group with subsidiaries operating in banking, e-commerce, and other postal services. It was founded in 1520 by King Manuel I of Portugal, during the Portuguese Renaissance, and CTT is the oldest company still in operation in Portugal to this day. The acronym ''CTT'' comes from the company's former name (, which means " Post, Telegraph and Telephone"), which was also the designation of postal services for the former Portuguese Colonies and is still used for CTT – Post of Macau today. In 1991, CTT became a public limited company, and in December 2013 its shares were listed on Euronext Lisbon. In 2007, CTT began to offer a mobile phone service in Portugal, under the brand name Phone-ix. Phone-ix was closed down on 1 January 2019. In 2014, CTT was privatized by the Portuguese government to raise money and comply with European Union requ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roaming
Roaming is a wireless Wireless communication (or just wireless, when the context allows) is the transfer of information (''telecommunication'') between two or more points without the use of an electrical conductor, optical fiber or other continuous guided transm ... telecommunication term typically used with mobile devices, such as mobile phones. It refers to a mobile phone being used outside the range of its native network and connecting to another available cell network. Technical definition In more technical terms, roaming refers to ''the ability for a cellular network, cellular customer to automatically make and receive voice calls, send and receive data, or access other services, including home data services, when travelling outside the geographical coverage area of the home Telecommunications network, network, by means of using a visited network''. For example: should a subscriber travel beyond their cell phone company's transmitter range, their cell phone would ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vodafone Portugal
Vodafone Portugal – Comunicações Pessoais, S.A., a full subsidiary of Vodafone Group Plc, is the second mobile operator in Portugal, both chronologically and in market share (34% in 2006). Its competitors are NOS and MEO. History As Telecel Vodafone Portugal was founded in 1991 as Telecel, Comunicações Pessoais, S.A. (Telecel). In June 1991, Telecel and TMN applied for licences to operate GSM mobile networks in Portugal, and Telecel won the bid for the second GSM network in October that year. The network went live on 18 October 1992. In 1996, the " pre-paid" concept was introduced with the launch of the tariff plan ''Vitamina''. Telecel also held a paging license and was leader in the 4-player paging business, using the brand ''Telechamada''. In January 2000, the indirect access fixed-line telephone service was launched, using Portugal Telecom's infrastructures and the 1091 prefix. It used the brands ''toq 1091'' (for home customers; now discontinued in favour of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Companhia Portuguesa Radio Marconi
Altice Portugal S.A. (formerly known as PT Portugal) is the largest telecommunications service provider in Portugal. Since 2 June 2015 the company has been a wholly owned subsidiary of Altice, a multinational cable and telecommunications company with a presence in France, Israel, Belgium, Luxembourg, Portugal, French West Indies/Indian Ocean Area, the Dominican Republic, and Switzerland. It currently owns the MEO, Moche and SAPO brands. The assets in Portugal were sold to Altice in 2015 per request of Oi SA to reduce debt. The African assets were mostly sold for the same reason. The business group formerly called Portugal Telecom, SGPS, SA was divided into PT Portugal SGPS, SA - a company with assets such as MEO - and PT SGPS, a financial holding company with 25.6% of Oi and with a risk investment valued at approximately 900 million euros - which after May 29, 2015 is called Pharol, with headquarters in Amoreiras Plaza. History The first telephone experiments in Portug ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Correios De Portugal
CTT – Correios de Portugal, S.A. (, ) is a Portuguese company that operates as both the national postal service of Portugal and a commercial group with subsidiaries operating in banking, e-commerce, and other postal services. It was founded in 1520 by King Manuel I of Portugal, during the Portuguese Renaissance, and CTT is the oldest company still in operation in Portugal to this day. The acronym ''CTT'' comes from the company's former name (, which means " Post, Telegraph and Telephone"), which was also the designation of postal services for the former Portuguese Colonies and is still used for CTT – Post of Macau today. In 1991, CTT became a public limited company, and in December 2013 its shares were listed on Euronext Lisbon. In 2007, CTT began to offer a mobile phone service in Portugal, under the brand name Phone-ix. Phone-ix was closed down on 1 January 2019. In 2014, CTT was privatized by the Portuguese government to raise money and comply with European Union requ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fiber Optic
An optical fiber, or optical fibre, is a flexible glass or plastic fiber that can transmit light from one end to the other. Such fibers find wide usage in fiber-optic communications, where they permit transmission over longer distances and at higher bandwidths (data transfer rates) than electrical cables. Fibers are used instead of metal wires because signals travel along them with less loss and are immune to electromagnetic interference. Fibers are also used for illumination and imaging, and are often wrapped in bundles so they may be used to carry light into, or images out of confined spaces, as in the case of a fiberscope. Specially designed fibers are also used for a variety of other applications, such as fiber optic sensors and fiber lasers. Glass optical fibers are typically made by drawing, while plastic fibers can be made either by drawing or by extrusion. Optical fibers typically include a core surrounded by a transparent cladding material with a lower index ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
