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Android Central has a little article today about VoLTE and the rollouts that are starting. That’s all well and good but there’s a big ol’ caveat people should heed and I’ll get to that in a moment.

First off, Voice over LTE is what happens when your carriers allows you to place a phone call over your LTE connection (high-speed data) instead of the more common voice networks. Verizon Wireless, for example, uses 1XRTT for all of your voice calls and LTE for data. This is, more often than not, why Verizon phones can’t simultaneously use voice and data. GSM users on AT&T and T-Mobile haven’t had this issue because their voice and data streams can be processed by the same radio. VoLTE is the ability to use more bandwidth to make phone calls with higher quality audio traveling both ways. When you are on a call with someone else who is using VoLTE, you immediately notice the difference in call quality on both ends.

So what’s the problem? Well, as you might know, you need hardware that supports it, and not every network is going to go live right away. If your network already supports it and you’re pissed, think about this: it uses your DATA. Do you have unlimited data? All that call quality is going to crush your allowance. Feel better now?

VoLTE – how to use it and why you should | Android Central.

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