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  2. CallApp - Wikipedia

    en.wikipedia.org/wiki/CallApp

    CallApp was invented and founded in 2011, [1] in Tel Aviv, Israel by its former CEO, Oded Volovitz and current CEO, Amit On. [2] raising $1 million in seed investment. [3]It was initially introduced publicly at the TechCrunch Disrupt New York 2012, where it launched its application for Android, [4] at the DEMO conference, [2] and at the Mobile World Congress, Barcelona. [5]

  3. Wi-Fi calling - Wikipedia

    en.wikipedia.org/wiki/Wi-fi_calling

    Wi-Fi calling, also called VoWiFi, [1] refers to mobile phone voice calls and data that are made over IP networks using Wi-Fi, instead of the cell towers provided by cellular networks. [2] Using this feature, compatible handsets are able to route regular cellular calls through a wireless LAN (Wi-Fi) network with broadband Internet , while ...

  4. eSIM - Wikipedia

    en.wikipedia.org/wiki/ESIM

    If the phone is stolen, it can be tracked by "find my phone" services, while a physical SIM can be removed. [34] The risk of damaging a SIM socket's delicate contacts inserting and removing a SIM is eliminated. Phones with eSIM only do not need to be built with hardware SIM holders or means to insert them.

  5. Google Duo - Wikipedia

    en.wikipedia.org/wiki/Google_Duo

    Google Duo was a proprietary voice over IP (VoIP) and videotelephony service released in 2016 by Google and merged into its Google Meet product in 2022. It was available for Android, IOS and web browsers.

  6. Voice over LTE - Wikipedia

    en.wikipedia.org/wiki/Voice_over_LTE

    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.

  7. FaceTime - Wikipedia

    en.wikipedia.org/wiki/FaceTime

    On February 24, 2011, FaceTime left beta and was listed in the Mac App Store for US$0.99. Apple claims that it intended to provide the application free of charge, however, a provision of the Sarbanes–Oxley Act (2002) bars companies from providing an unadvertised new feature of an already-sold product without enduring "onerous accounting ...

  8. RealCall - Wikipedia

    en.wikipedia.org/wiki/Realcall

    RealCall is a US-based AI caller identification and call blocking smartphone application, used to detect, engage and block call and SMS scamming and spamming.It has AI algorithms with built-in free reverse phone lookup service and customized answer bots for detection, engagement and blocking of unwanted calls and messages. [1]

  9. Videotelephony - Wikipedia

    en.wikipedia.org/wiki/Videotelephony

    TV cams enable people to make video calls using video calling services, like Skype on their TV, without using a PC connection. TV cams are specially designed video cameras that feed images in real time to another TV camera or other compatible computing devices like smartphones, tablets and computers.