WiFi Calling: Ready To Take Off? (part 1)

phoneWith AT&T and Apple iPhone announcing support for WiFi calling, the technology is poised to go mainstream. Here's how it works and its potential enterprise ramifications.

WiFi calling enables wireless handsets to connect to a mobile carrier’s network through WiFi access points. With expanded support from more carriers and Apple, I believe it’s poised to become popular. It can provide better indoor coverage, avoids roaming charges while traveling out of the country, and can be used for messaging aboard WiFi equipped planes. It also doesn’t require the installation of apps such as Skype, Viber or WhatsApp to make voice calls.

The original standard that enables WiFi calling is Unlicensed Mobile Access (UMA), which means that an unlicensed spectrum network (WiFi) is given access into the mobile network. Some call this VoWiFi, but let’s just call it WiFi calling here. Newer variants include the IR-92 profile for Voice over LTE, which is used by Apple.

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Topics: Networking