O que é e como funciona um PABX

PABX (Private Automatic Branch eXchange) é um equipamento onde são ligadas as linhas telefônicas da empresa e distribuídas para vários ramais. Possibilitando que todos os ramais façam ligações externas simultaneamente, através das linhas telefônicas ligadas ao PABX. Além de realizar ligações gratuitas entre os ramais internos.

Um PABX permite efetuar ligações entre telefones internos sem intervenção manual, ou ainda telefonar e receber telefonemas da rede externa (geralmente pública). Podem consistir de uma plataforma de hardware ou somente software, este último que pode ser instalado no computador para a interação com a telefonia via Internet. Um telefone doméstico geralmente está conectado diretamente à operadora local de telefonia, podendo realizar chamadas discando o número de destino desejado. Em um ambiente corporativo normalmente existem muito mais ramais do que linhas telefônicas, principalmente devido ao custo, havendo a necessidade de um ponto central para gerenciar e distribuir as chamadas, o que é feito pelo PABX.

O equipamento torna-se também um elemento de controle dos usuários de ramais, podendo gerenciar permissões de uso individuais ou por grupo. Geralmente são instalados nas empresas que, por sinal ja estão autossuficientes e necessitam de uma rede instalada apenas internamente (daí o “private” no nome), que permite conexões de chamadas feitas pelos usuários (por isto “automático”, em oposição a um operador manual) entre as extensões e as operadoras externas (geralmente públicas).

Sua função é ligar uma série de telefones a uma “linha externa”. Por exemplo, seu telefone em casa está conectado diretamente a sua operadora local de telefonia, e você pode fazer uma discagem simplesmente pegando o aparelho e discando para o número desejado. Em um ambiente corporativo, geralmente é preciso ter vários telefones, mas há apenas algumas poucas linhas (e elas custam dinheiro). Também, há a necessidade de um ponto central para atender as chamadas.

O PABX permite que, ao fazer uma chamada, seja selecionada uma das limitadas linhas,e discar para um número externo. O usuário também pode chamar outro telefone conectado ao PABX.

Fonte: Satturno

3.987 comentários em “O que é e como funciona um PABX”

  1. com 20 E2 AD 90 20Kann 20Man 20Viagra 20In 20Der 20Apotheke 20Kaufen 20 20Snorta 20Viagra kann man viagra in der apotheke kaufen The closure of some major foreign owned industrialfacilities in the past few days, as well as the fresh blow tothe tourist industry, suggest that even if billions of dollarsin aid from Egypt s Gulf allies can keep it financially afloatin coming months, the economy could deteriorate further cialis cost If the surgical manipulation necessary to completely remove the lesion would threaten significant viable ovarian tissue, the cyst should be unroofed and debulked, and the cyst wall excised to the extent possible, while protecting the ovary

    1. com 20 E2 AD 90 20Bestlla 20Viagra 20P 20Ntet 20Lagligt 20 20Donde 20Puedo 20Comprar 20Viagra 20En 20Argentina donde puedo comprar viagra en argentina Lawyers for Khalid Al Fawwaz filed papers in federal court in Manhattan on Thursday seeking a court order requiring testimony from a MI5 officer with whom Fawwaz claims he was in regular contact with during four years he lived in London in the 1990s canadian viagra 100mg 4 billion on a 48 million- dollar gamble

  2. com 20 E2 AD 90 20Viagra 20Internet 20Sipari 20 20Con 20El 20Viagra 20Aumenta 20El 20Tamao viagra internet sipari Asiri also used a double initiation system for igniting thebomb and enclosed the device in caulk to prevent leakage of anyexplosive vapors that could be detected by airport equipment orbomb sniffing dogs, Pistole said lowest price propecia hair

  3. Tired of playing the demo blackjack and want to see how you’d do on real blackjack table? Here, you can find our shortlist of licensed online casinos that are suitable for UK players. All of these casinos have a plenty of options when it comes to blackjack, including live blackjack tables. As good as you think this trainer game is and it is a good one there are still many flaws in it. I have lost more on this trainer than in real life. So take and use it for what it is worth, fun. The Hi-Lo counting system is the most popular counting system and the default in Card Counter (although you can change it in settings). Hi-Lo works by assigning each card a number value of +1, -1, or 0. For every card that is flipped up you add that value to your running count. Here are the card assignments for Hi-Lo:
    https://aged-wiki.win/index.php?title=Net_casino_free_spins
    Basically, free spins casino offers are what you expect – you get spins for the popular games. Free spins are, generally, available for players that haven’t deposited any money, or as an addition to a welcome bonus. You can get free spins slot games in a load of places, with the most common 20 free spins. On occasion, you’ll get 50 free spins included in a brilliant welcome bonus. We have discussed the 2 most important types of free spins bonuses you get at online casinos. There is another type of free spins bonus that is available: the loyalty free spins bonus. This bonus is available only as a loyalty promotional offer. This means not everyone gets to use this bonus; you have to be a loyal member of the casino to get it. That means you have to be someone who plays at the casino for real money regularly.

  4. Own the Run Hooded Wind Jacket Wearing a yellow or green shaded dress on mayun or mehndi is a never-ending trend. However, some girls wish to have a plain dress for such special occasions. Therefore, the allurement of this plain frock is with long outerwear with delicate embroidery. Check some more designs of wedding mehndi dresses here. Womens Suede Jacket With Patch Pockets Offers & Multibuys By providing your email address, you agree to our Privacy Policy and Terms of Service. Versatile African print piece that could be worn as a dress or jacket. Pair it up with jeans & a top to wear as a jacket/duster during spring/summer or as a dress when zipped up! We’re here to help Shop a cute assortment of denim jackets for your casual plans this winter season. For holiday shopping with friends and family, layer on a long-line denim jacket over a ribbed sweater and fleece-lined leggings. Keep cozy in a faux sherpa-lined denim jacket that will instantly elevate your look.
    https://www.cheaperseeker.com/u/women-skirt-sets
    First off first, a smart casual dress code is usually is fun yet tricky at times. Furthermore, while we have all heard of smart casual dress code before, the term can still cause confusion and panic for many. And you might be one of them. So, if you’ve been wondering what elegant smart casual dress code means or you are after some stylish outfit ideas to suit it, we’ve got you covered. Think about what’s in your diary before selecting your daily outfit. If you’re working from home and have a clear day, you can afford to slack off on the dress code. However, a good rule of thumb is to have a smart jacket handy to pull on if needed quickly. Green remains the luxury color of the decade, basically, and it looks so good in a cool pattern and breathable, stretchy mesh texture. Pair with a leather midi (faux or real) and you’ve got an ideal work outfit that you’ll def wanna wear after-hours, too.

  5. Properties: OREAL MASCARA FALSE LASH TELESCOPIC MAGNETIC BLACK The cost of delivery is based on the tariffs of the postal operator The telescopic brush coats and stretches each lash for an extreme intensity. Place brush at base of lashes and gently sweep up to tip-reapplying until desired lash length is achieved.Doesn’t clum, removes easily with eye-makeup remover. 如果您选择继续浏览网页,说明您以同意使用我们的cookies。 You may return most new, unopened items within 30 days of delivery for a full refund. We’ll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).. No printer? No worries! Visit your nearest Australia Post Office with your reference number and they can print one out for you.
    https://peatix.com/user/16287723
    An award-winning lash enhancing serum infused with a blend of vitamins, peptides, and amino acids to promote the appearance of naturally longer, thicker looking lashes in just 4-6 weeks, with full improvement in 3 months. It’s a favorite for helping to enhance short, thinning, brittle lashes. Ophthalmologist tested. Suitable for contacts and lash extensions. retreat Grande got a makeover! New outer packaging, same effective product and benefits! renew* relax* recharge View all products by Grande Naturals Your review * This stuff works! I’ve used one other lash serum that worked a little, but took several months before I saw results. With Grand Lash, I noticed a difference within 2 weeks. My lashes are longer and thicker. During the first week, my eye got mildly irritated at the lash line, but that disappeared quickly with no further issues. Definitely worth your dollars!

  6. “There is a world of difference between a cheap custom essay and a professional custom essay.” Our company has a numerous team of skilled writers at its disposal. You can contact us at the very last minute, and we will certainly find a way to complete your task before the deadline at the best possible price. Persuasive Essay on Criminal Justice Custom essays are individually-tailored papers fulfilled according to your specific instructions, requirements, and timelines. Every paper is 100% unique and one-of-a-kind. With the help of a custom essay, you are able to have more time for yourself and score better marks. The service is anonymous, displaying you as the original writer. Typically, all students take pricing into consideration when choosing a custom writing service for their needs. You don’t have to worry about prices when you deal with this essay writing company because they are fair for such a quality and absolutely affordable even for broke college students. If you want to save money, you’d better order custom papers in advance because you’ll pay more if your deadline is urgent.
    http://www.dearmoms.co.kr/bbs/board.php?bo_table=free&wr_id=9263
    A good introduction paragraph is an essential part of any academic essay. It sets up your argument and tells the reader what to expect. Here’s an introductory paragraph for a paper I wrote.  I started the paper with a factoid, then presented each main point of my paper and then ended with my thesis statement. The five-paragraph essay format is a guide that helps writers structure an essay. It consists of one introductory paragraph, three body paragraphs for support, and one concluding paragraph. Because of this structure, it has been nicknamed the “hamburger essay,” the “one-three-one essay,” and the “three-tier essay.” Research Guides Often what you’re writing determines the style: The guidelines for how to write an introduction for a report are different from those for how to write an English essay introduction. Even the different types of essays have their own limitations; for example, slang might be acceptable for a personal essay, but not a serious argumentative essay.

  7. Что обещают: ресницы до небес. Американский бренд создал сыворотку на основе натуральных компонентов, которая делает ресницы более плотными, густыми и длинными. Состав ее одобрен учеными и докторами, а эффект появляется спустя две недели использования. Нанести на чистые брови и ресницы, излишки удалить салфеткой. Конечно, я опробовала это средство и на бровях, но буквально за неделю редкие хвостики потеряли несколько волосков. Я сразу отменила Talika и отрастила брови с помощью масла Elma. Возможно, это просто совпадение, но именно для бровей Talika мне не понравилась, а вот ресницы стали с ней просто идеальными Информация, опубликованная на сайте, не является публичной офертой или рекламой, а носит информационный характер и может быть изменена по усмотрению компании. При использовании материалов с сайта ссылка на сайт обязательна. Корзина пуста Текст ошибки Состав: Масло оливковое, масло рициновое, масло виноградной косточки, масло зародышей пшеницы, масло жожоба, масло Арганы, витамин Е, экстракт лопуха.
    https://arthuraaxv528528.blogripley.com/21643123/стойкий-карандаш-подводка-для-глаз
    Как нарисовать стрелки, чтобы подчеркнуть красоту вытянутой формы глаз? Техника «кошачий глаз» идеально подходит, если вы планируете вечерний образ. Для этого прокрасьте подводкой линию роста ресниц, а хвостики стрелок прорисуйте по диагонали в сторону висков. Для ежедневных образов можно попробовать растушеванные стрелочки с короткими кончиками. Изобретение фломастера-подводки или лайнера значительно облегчило жизнь девушкам. Нанесение данной подводки похоже на нанесение карандашом, однако линия получается намного четче и более стойкая. К сожалению, и здесь есть свои минусы – фломастер-подводка очень быстро заканчивается. Уже собрались начать эксперименты со стрелками, но обнаружили, что подводка закончилась или высохла? Не беда, ее с успехом может заменить обычная тушь для ресниц. Еще вам понадобится тонкая кисть — можно использовать кисточку от старой подводки.

  8. For example, someone searching for “prices for boilers in Toronto” wants to see prices for boilers in Toronto—and that is what they will see in the search engine results page (SERP). You won’t get that in any other form of advertising; Google revolutionized the marketing game in this respect. There is an upside, though: Digital advertising is pretty affordable for growing brands, especially if you know how to stretch your limited resources. But if you’re wondering whether Facebook or Instagram will give you a bigger bang for your buck, or how much it costs to launch a TikTok campaign, this one’s for you. Similar to other platforms, Facebook determines ad costs via an auction. The algorithm relies on factors such as ad quality and estimated engagement to select which advertiser has the winning bid.
    http://heungil.net/bbs/board.php?bo_table=free&wr_id=41881
    Another important factor when it comes to Shopify development is complexity. A large Shopify store with hundreds of pages and a ton of cutting-edge features is naturally way more expensive than a small website. Although Shopify has been designed with non-developers in mind, and can definitely be used as a code-free, ‘DIY’ store builder, there are situations where it will make sense to hire a developer. Shopify offers three different plans that range from $29 per month up to $299 per month. However, these prices are just for their platform. In addition to this fee, there may be other costs associated with setting up and managing your store. This includes domain registration fees, payment processing fees, and any third-party apps or add-ons you may need. It’s important to factor in these additional costs when making your decision.

  9. We are happy to see you again! We no longer check to see if our website works in your browser. We recommend upgrading to a newer browser to get the best experience from Sky Sports.com. But who is the teenage talent and what can Barcelona expect of him? Sportsmail has everything you need to know. View more The young players of Aston Villa, including Louie Barry, were highly praised for their performances. Many premier league players and pundits praised the youthful side. Louie, a striker who can also operate on the wing, was a youth player with West Brom for 10 years from the age of eight before signing for Barcelona in 2019. The main positions in which Louie Barry starts for Salford City. On the graphic main positions are highlighted green, with the brighest colour displaying their most-played position.
    https://cjexpress.us/cjexpress/board.php?bo_table=free&wr_id=113362
    On 24 May 2014, the Championship play-off final between Derby County and Queens Park Rangers saw the highest crowd for any Championship fixture – 87,348 witnessed a Bobby Zamora stoppage time winner for QPR to win promotion for the London club. Click on the name of the sports team from the menu on the right-hand side of the map. An information bubble containing information about the sports team will then appear over the marker. NorwichCarrow RoadShop Norwich City” target=”_blank” rel=”noreferrer noopener”>Shop Norwich City Nottingham Forest defeated Huddersfield Town in the 2022 Championship play-off final, winning the game 1-0 in front of an 80,000-strong crowd. The victory ensured Forest’s return to the Premier League for the first time in 23 years.

  10. When playing at any online casino, it’s important to choose your favorite game wisely – especially when there are hundreds upon hundreds available like those found at golden cherry casino. Two popular slots among players include Chance Machine 100 by Endorphina which takes you into a futuristic world full of robots where big wins await; while another fan-favorite game is Novomatic’s classic Book Of Ra Deluxe 6 which gives you six reels instead five making winning combinations much easier than before! Both titles provide plenty entertainment value along with potential payouts making them two must-play games when visiting this top rated gambling site. Hi, I’m Emma Davis, the Site Owner at No Deposit Explorer – Our site was created with the idea that online gambling should be fun and not be a drain on your finances. For this reason we created our site purely focused those golden no deposit bonuses. Free fun with a chance of winning.
    http://www.micron.co.kr/eng/bbs/board.php?bo_table=free&wr_id=106
    It’s a no brainer that you’ll want to sign up with a top online casino offering the most lucrative bonuses. However, you should always read the fine print to ensure that you understand any terms and conditions that may apply to your bonus, such as an expiry date. They are often provided by online casinos. When it comes to choosing an online casino with different types of online slots, gamblers should consider 22Bet, which provides players with a myriad of slot machine options and bonuses. Those who are new at 22Bet can get a welcome bonus. Also, online casinos provide gamblers with a daily bonus of free spins. These bonuses will help slot machine enthusiasts to make their gambling more enjoyable. You’ll find several hundred online slots at the best casinos. The variety is impressive but still improving. Choose from among classic three-reel slots or go for the latest five-reel games boasting 3D graphics and big bonuses.

  11. PlayAmo dba o swoich klientów i regularnie oferuje im różne promocje. Oferty zmieniają się, dlatego warto śledzić aktualizacje w dziale Promocje na stronie kasyna. W promocjach można wygrać dodatkowe wpłaty na konto gracza, darmowe spiny PlayAmo oraz wiele innych niespodzianek! Przypomnijmy więc promocje oferowane przez casino PlayAmo obecnie: W Playamo nowi i zwykli gracze mają atrakcyjny pakiet bezpłatnych obrotów, a niektóre oferty zawężają się do konkretnych gier. Na przykład, pierwszy depozyt zawiera 25 darmowych spinów, w które można grać w kasynie Steam Tower. Drugi depozyt jest nagradzany ogromnymi 25 darmowymi spinami stosowanymi w grze slotowej Starburst. Takie darmowe spiny są łatwe do odblokowania, ponieważ mają mniej sztywne warunki w porównaniu do warunków bonusowych.
    http://www.simplethai.kr/bbs/board.php?bo_table=free&wr_id=11481&sst=wr_datetime&sod=asc&sop=and&page=766
    Znalezienie dobrego bonusu bez depozytu to dość trudne zadanie. Aby ułatwić Ci poszukiwania darmowego bonusu, przygotowaliśmy ten przewodnik, dzięki któremu poznasz wszystkie najważniejsze informacje o bonusach bez depozytu! Kasyna online mogą przekonać i przyciągnąć gracza tylko raz. Witryna opisanego przez naszą firmę kasyna przyciągaje Cię bonusem IceCasino pięćdziesiąt darmowych spinów bez depozytu i maje nadzieję, że możesz zadowolony z pobytu w kasynie. Zawodnicy, którzy cieszą się pobytem w kasynie, prawdopodobnie dokonają depozytu dzięki prawdziwe pieniądze poprzez wykorzystaniu IceCasino pięćdziesiąt darmowych spinów. Zalet korzystania z bonusu bez depozytu czy 50 darmowych spinów bez depozytu Vulkan Bet jest całkiem sporo, jednakże wciąż znaleźć można pewne grono graczy, które w sceptyczny sposób podchodzi do tego rodzaju oferty. Jeśli nie jesteś do końca przekonany, czy ten rodzaj bonusu jest dla ciebie dobry, poniżej znajdziesz 5 zalet, które prawdopodobnie cię przekonają: