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2. Wi-Fi calling - Wikipedia

   en.wikipedia.org/wiki/Wi-fi_calling

   Wi-Fi calling 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. Using this feature, compatible handsets are able to route regular cellular calls through a wireless LAN (Wi-Fi) network with broadband Internet, while seamlessly change connections between the two where necessary.

3. Voice over WLAN - Wikipedia

   en.wikipedia.org/wiki/Voice_over_WLAN

   VoWiFi calling. Voice over wireless LAN ( VoWLAN ), also voice over Wi‑Fi ( VoWiFi [1] ), is the use of a wireless broadband network according to the IEEE 802.11 standards for the purpose of vocal conversation. In essence, it is voice over IP (VoIP) over a Wi-Fi network. In most cases, the Wi-Fi network and voice components supporting the ...

4. Residential gateway - Wikipedia

   en.wikipedia.org/wiki/Residential_gateway

   Residential gateway. A residential gateway is a small consumer-grade gateway which bridges network access between connected local area network (LAN) hosts to a wide area network (WAN) (such as the Internet) via a modem, or directly connects to a WAN (as in EttH ), while routing. The WAN is a larger computer network, generally operated by an ...

5. Wi-Fi - Wikipedia

   en.wikipedia.org/wiki/Wi-Fi

   v. t. e. Wi-Fi ( / ˈwaɪfaɪ /) [1] [a] is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves. These are the most widely used computer networks, used globally in ...

6. Generic Access Network - Wikipedia

   en.wikipedia.org/wiki/Wifi_call

   The system offers seamless handoff, so the user can move from cell to Wi-Fi and back again with the same invisibility that the cell network offers when moving from tower to tower. Since the GAN system works over the internet, a UMA-capable handset can connect to their service provider from any location with internet access.

7. Router (computing) - Wikipedia

   en.wikipedia.org/wiki/Router_(computing)

   Router (computing) Rack containing a service-provider–class router connected to multiple networks. A router [a] is a computer and networking device that forwards data packets between computer networks, including internetworks such as the global Internet. [2] [3] [4] A router is connected to two or more data lines from different IP networks.