Mobile Wireless HD Voice Today and VoLTE in the Future

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HD Voice is starting to get some attention with the recent launches by Orange and Sprint. As the hypeometer’s needle climbs, there will be a lot of attention focused in this area. I just wanted to put a few facts out there to keep it all straight. These operators have actually different technologies behind their HD Voice launches that eventually merge at VoLTE. I saw some silliness about the HD Voice launches in AnandTech and other places so let’s get started…


First a brief history of the universe, starting with current voice technologies used with 3G networks.

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