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Even though LTE coverage has expanded significantly over the past few years, it is still not as widely-available as 3G and the older data networks. LTE voice came with one major shortcoming: Its lack of coverage. LTE voice sounds so much better than traditional cellular technology because it uses the technology that wireless carriers have been upgrading for the last several years: Your iPhone’s connection to the internet. If the phone calls you make to some people are crystal-clear and others aren’t, now you know why: You’re talking with other people using LTE Voice. And we hadn’t done anything special – it just worked. It sounded like we were standing in the same room. He had just purchased a new Samsung Galaxy, and my iPhone 6 was only a few months old. Again, the difference in call-quality was astounding. I remember the first time I spoke with my friend David Brooke using LTE Voice.

No matter which term you see, they all mean the same thing. Apple calls it Voice over LTE (or VoLTE), AT&T calls it HD Voice, and Verizon calls it either Advanced Calling or HD Voice. It’s important to note that Apple, AT&T, and Verizon haven’t been able to agree on what to call this technology. Instead of using the old cellular voice-only bands to make phone calls, iPhones were now capable of using their LTE data connection to make phone calls over the internet. When the iPhone 6 was released, Verizon, AT&T, and other carriers introduced LTE Voice, which represented a fundamental shift in the way we make phone calls. The First Major Step: LTE Voice (or HD Voice, or Advanced Calling, or Voice Over LTE) It only works between Apple devices, it’s buggy and calls often break up, and it uses your cellular data connection if you’re not on Wi-Fi, which can eat through your cellular data plan. Skype, Cisco, and plenty of other companies had been using the internet to make high-quality phone calls for years, but none of them could do what Apple did: They put the old technology and the new technology side-by-side, and people were astounded by the difference.Īnyone who’s ever made a FaceTime Audio phone call realizes one thing right away: The phone calls sound much better.īut FaceTime Audio isn’t without its flaws. They could use the network of cell towers (called Voice Call in the Phone app) or use their Wi-Fi or cellular data connection to make phone calls over the internet, a feature that Apple called FaceTime Audio.Īpple certainly wasn’t the first one to do this. Apple released FaceTime Audio in 2013, which for the first time gave iPhone users the ability to choose how they wanted to make voice-only calls in the Phone app.

Need a eifi connection for truecaller id