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The lineup of the first three devices was unveiled at Samsung's Galaxy Unpacked event on 14 January 2021. The three devices served as the successors of the 2020 models. All devices' design scheme has changed drastically, redesigning the massive rear-camera module for a slimmer camera module incorporated with the buttons and a uniform appearance for the S21, S21+, and S21 Ultra.
The IMS core network along with the applicable Application Server performs the call control. ViLTE uses the H.264 codec to encode and decode the video stream. [ 3 ] The H.264 codec delivers superior quality as compared to the low bit rate 3G-324M codec that is used in 3G conversational video calls.
VoLTE calling. Voice over Long-Term Evolution (acronym VoLTE) is an LTE high-speed wireless communication standard for voice calls and SMS using mobile phones and data terminals. [1] [2] VoLTE has up to three times more voice [3] and data capacity than older 3G UMTS and up to six times more than 2G GSM.
Samsung: Galaxy Note20: 2020 August Note 5G and Ultra model only [15] Samsung Find, Google's Find My Device NXP SR100T Galaxy S21: 2021 January Plus (+) and Ultra models only [16] NXP SR100T Galaxy S22: 2022 February Plus (+) and Ultra models only [17] NXP SR100T Galaxy S23: 2023 February Plus (+) and Ultra models only Galaxy S24: 2024 January
Videotelephony (also known as videoconferencing or video calling) is the use of audio and video for simultaneous two-way communication. [1] Today, videotelephony is widespread. There are many terms to refer to videotelephony. Videophones are standalone devices for video calling (compare Telephone).
"Bixby Home" (which has been now named "Samsung Daily" on One UI 2.1, & recently replaced with "Samsung Free" in the latest One UI software update) [21] was a vertically scrolling list of information that Bixby can interact with, [clarification needed] for example weather, fitness activity and buttons for controlling their smart home gadgets. [20] "
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Samsung announced the Samsung Galaxy S21 series, consisting of the Samsung Galaxy S21, Samsung Galaxy S21+ and Samsung Galaxy S21 Ultra, on 14 January 2021. They are the first S Series Lineup to feature 5G models only during launch. On 4 January 2022, the Samsung Galaxy S21 FE was released, a mid-range variant of the S21 containing similar ...