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2. Wi-Fi calling - Wikipedia

   en.wikipedia.org/wiki/Wi-fi_calling

   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 ...

3. Phone Link - Wikipedia

   en.wikipedia.org/wiki/Phone_Link

   It is a native component of Windows 10 (since version 1809) and Windows 11, where it is a UWP app and consists of a driver that communicates with the Link to Windows [3] app on the mobile device. Phone Link makes use of Wi-Fi, Bluetooth for voice calls, or mobile data; [3] it syncs via Microsoft servers, meaning that an internet connection is ...

4. QR code - Wikipedia

   en.wikipedia.org/wiki/QR_code

   A QR code to automatically join a Wi‑Fi network. By specifying the SSID, encryption type, password/passphrase, and if the SSID is hidden or not, mobile device users can quickly scan and join networks without having to manually enter the data. [60] A MeCard-like format is supported by Android and iOS 11+. [61]

5. What you need to know about QR code scams and how to ... - AOL

   www.aol.com/know-qr-code-scams-stay-204500807.html

   QR codes skyrocketed in popularity during the touch-free days of the COVID-19 pandemic, and now they're everywhere. ... Now QR codes also serve a much different purpose: as a tool for scammers ...

6. Voice over LTE - Wikipedia

   en.wikipedia.org/wiki/Voice_over_LTE

   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 and data capacity than older 3G UMTS and up to six times more than 2G GSM. It uses less bandwidth because VoLTE's packet headers are ...

7. Signal (messaging app) - Wikipedia

   en.wikipedia.org/wiki/Signal_(messaging_app)

   Signal uses mobile telephone numbers to register and manage user accounts, though configurable usernames were added in March 2024 to allow users to hide their phone number from other users. [22] After removing support for SMS on Android in 2023, [23] [24] the app now secures all communications with end-to-end encryption. The client software ...

8. Wardriving - Wikipedia

   en.wikipedia.org/wiki/Wardriving

   A free public Wi-Fi access point. Wardriving is the act of searching for Wi-Fi wireless networks as well as cell towers, usually from a moving vehicle, using a laptop or smartphone. Software for wardriving is freely available on the internet. Warbiking, warcycling, warwalking and similar use the same approach but with other modes of transportation.

9. Smartphone ad hoc network - Wikipedia

   en.wikipedia.org/wiki/Smartphone_ad_hoc_network

   By merging the Linux Wireless Extension API with parts of the Android software stack, a modified version of Android can enable the ability to harness the ad hoc routing, communications and networking features of the onboard Wi-Fi chip. This empowers millions of Android phones with ad hoc mesh connectivity and networking capabilities.