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Login SMS messages are known to have been intercepted in Iran, Russia and Germany, possibly in coordination with phone or telecom companies. [ 322 ] [ 324 ] [ 325 ] Pavel Durov has said that Telegram users in "troubled countries" should enable two-factor authentication by creating passwords in order to prevent this.
Telegram: Phone number; iOS or Android device [113] Phone required for initial registration & login. Desktop client can function independently afterwards. [114] For some features: secret chats, [115] voice and video calls, [116] and voice chats in groups [116] No No No Tencent QQ: No [117] [118] No No No No Threema: No
SMS ( short message service) is a text messaging service component of most telephone, Internet, and mobile device systems. It uses standardized communication protocols to enable mobile devices to exchange short text messages. An intermediary service can facilitate a text-to-voice conversion to be sent to landlines.
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This is a list of telegram services by country. Algérie Poste offers electronic telegram services under the name Barki@tic. Correo Argentino still offers telegram service within Argentina and to international destinations. Post Aruba still offers telegram service. Australia Post closed its telegram service on 7 March 2011.
Instant messaging. Instant messaging ( IM) technology is a type of synchronous computer-mediated communication involving the immediate ( real-time) transmission of messages between two or more parties over the Internet or another computer network. Originally involving simple text message exchanges, modern IM applications and services (also ...
Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters, between two or more users of mobile phones, desktops / laptops, or another type of compatible computer. Text messages may be sent over a cellular network or may also be sent via satellite or Internet ...
Wireless telegraphy or radiotelegraphy, commonly called CW ( continuous wave ), ICW (interrupted continuous wave) transmission, or on-off keying, and designated by the International Telecommunication Union as emission type A1A or A2A, is a radio communication method. It was transmitted by several different modulation methods during its history.