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This FAQ provides answers to basic questions about Telegram. Check out our Advanced FAQ for more technical information. Groups, Supergroups, and Channels. You can use Telegram on all your devices at the same time — your messages sync seamlessly across any number of your phones, tablets or computers.
With Telegram, you can send messages, photos, videos and files of any type doc, zip, mp3, etc , as well as create groups for up to , people or channels for broadcasting to unlimited audiences. You can write to your phone contacts and find people by their usernames. As a result, Telegram is like SMS and email combined — and can take care of all your personal or business messaging needs.
In addition to this, we support end-to-end encrypted voice calls. Telegram is for everyone who wants fast and reliable messaging and calls.
Business users and small teams may like the large groups, usernames , desktop apps and powerful file sharing options. Since Telegram groups can have up to , members , we support replies, mentions and hashtags that help maintain order and keep communication in large communities efficient.
You can appoint admins with advanced tools to help these communities prosper in peace. Public groups can be joined by anyone and are powerful platforms for discussions and collecting feedback. In case you're more into pictures, Telegram has animated gif search , a state of the art photo editor , and an open sticker platform find some cool stickers here or here. Those looking for extra privacy should check out our advanced settings and rather revolutionary policy.
And if you want secrecy, try our device-specific Secret Chats with self-destructing messages, photos, and videos — and lock your app with an additional passcode. We keep evolving — check out the blog and follow us on twitter and Telegram to stay in touch. Unlike WhatsApp, Telegram is a cloud-based messenger with seamless sync. As a result, you can access your messages from several devices at once, including tablets and computers, and share an unlimited number of photos, videos and files doc, zip, mp3, etc.
And if you don't want to store all that data on your device, you can always keep it in the cloud. Thanks to our multi-data center infrastructure and encryption, Telegram is faster and way more secure. On top of that, Telegram is free and will stay free — no ads, no subscription fees, forever.
Our API is open, and we welcome developers to create their own Telegram apps. We also have a Bot API , a platform for developers that allows anyone to easily build specialized tools for Telegram, integrate any services , and even accept payments from users around the world. Telegram for iOS was launched on August 14, The alpha version of Telegram for Android officially launched on October 20, More and more Telegram clients appear, built by independent developers using Telegram's open platform.
You can use Telegram on smartphones, tablets, and even computers. We have apps for iOS 6 and above , Android 4. You can log in to Telegram from as many of your devices as you like — all at the same time. Just use your main mobile phone number to log in everywhere. Our API is open for developers, should you want to build your own applications for other platforms.
Telegram is supported by Pavel and Nikolai Durov. Pavel supports Telegram financially and ideologically while Nikolai's input is technological. To make Telegram possible, Nikolai developed a unique custom data protocol, which is open, secure and optimized for work with multiple data-centers.
As a result, Telegram combines security, reliability and speed on any network. Most of the developers behind Telegram originally come from St. Petersburg , the city famous for its unprecedented number of highly skilled engineers. The Telegram team had to leave Russia due to local IT regulations and has tried a number of locations as its base, including Berlin, London and Singapore.
Pavel Durov , who shares our vision, supplied Telegram with a generous donation, so we have quite enough money for the time being. If Telegram runs out, we will introduce non-essential paid options to support the infrastructure and finance developer salaries. But making profits will never be an end-goal for Telegram. Big internet companies like Facebook or Google have effectively hijacked the privacy discourse in the recent years.
Their marketers managed to convince the public that the most important things about privacy are superficial tools that allow hiding your public posts or your profile pictures from the people around you. Adding these superficial tools enables companies to calm down the public and change nothing in how they are turning over private data to marketers and other third parties.
At Telegram we think that the two most important components of Internet privacy should be instead:. This is what everybody should care about, and these are some of our top priorities.
Telegram's aim is to create a truly free messenger, without the usual caveats. This means that instead of diverting public attention with low-impact settings, we can afford to focus on the real privacy issues that exist in the modern world.
All Telegram chats and group chats are private amongst their participants. We do not process any requests related to them. But sticker sets , channels , and bots on Telegram are publicly available. If you find sticker sets or bots on Telegram that you think are illegal, please ping us at abuse telegram. If you see a bot, channel, or sticker set that is infringing on your copyright, kindly submit a complaint to dmca telegram.
Our mission is to provide a secure means of communication that works everywhere on the planet. To do this in the places where it is most needed and to continue distributing Telegram through the App Store and Google Play , we have to process legitimate requests to take down illegal public content e. For example, we can take down sticker sets that violate intellectual property rights or porn bots. User-uploaded stickers sets, channels, and bots by third-party developers are not part of the core Telegram UI.
Whenever we receive a complaint at abuse telegram. Please note that this does not apply to local restrictions on freedom of speech. While we do block terrorist e. ISIS-related bots and channels, we will not block anybody who peacefully expresses alternative opinions. If you think we banned your bot, channel, or sticker set for no apparent reasons, drop us a line at abuse telegram. Secret chats use end-to-end encryption, thanks to which we don't have any data to disclose.
To protect the data that is not covered by end-to-end encryption, Telegram uses a distributed infrastructure. Cloud chat data is stored in multiple data centers around the globe that are controlled by different legal entities spread across different jurisdictions. The relevant decryption keys are split into parts and are never kept in the same place as the data they protect.
As a result, several court orders from different jurisdictions are required to force us to give up any data. Thanks to this structure, we can ensure that no single government or block of like-minded countries can intrude on people's privacy and freedom of expression. Telegram can be forced to give up data only if an issue is grave and universal enough to pass the scrutiny of several different legal systems around the world. You can write to people who are in your phone contacts and have Telegram.
Another way of contacting people is to type their Telegam username into the search field. You can set a public username for your Telegram account too. Other people will be able to search and find you by that username — and send messages to you even if they don't know your number. You can learn more about usernames here. Your contacts, who have Telegram, are shown at the top of your Contacts. They also have pictures. The basic invitations are simple SMS messages.
They will be charged as standard outgoing SMS by your carrier unless sent via iMessage. Naturally, you have other options to bring your friends here. Try sending them a download link via any other messaging service: Open the app menu swipe right in chats list — Invite Friends. Then choose an application via which you would like to send out invitations. Go to Contacts — Invite Friends.
You can give your friends a t. One check — message delivered to the Telegram cloud and your friend has been notified if he allows notifications.
Two checks — message read your friend opened Telegram and opened the conversation with the message. So which particular one would that check mean? You can choose who sees this info in Privacy and Security settings. You will, however, see an approximate last seen value. This keeps stalkers away but makes it possible to understand whether a person is reachable over Telegram. There are four possible approximate values:. The last seen rules apply to your online status as well. People can only see you online if you're sharing your last seen status with them.
There is one exception to this: Voice calls are currently available to users around the world. We support emoji emoticons. Telegram groups can have up to , members each and are extremely powerful communication tools. Here are a few key features that make them stand out in the messaging world:.