Numerous iPhone 6 and iPhone 6 Plus users are saying that the service is now functional, reports MacRumors. This lets customers use voice and data at the same time when connected to a 4G LTE network.
Verizon has also launched HD voice calls:
Advanced Calling 1.0, a first-generation service suite enabled by Voice over LTE, or VoLTE, technology, is now available on America's largest and most reliable 4G LTE network with XLTE. With Advanced Calling 1.0, there is a clear difference. You will be able to enjoy natural-sounding High-Definition (HD) Voice and a Video Calling experience that's as simple as making a traditional voice call.
To utilize these new features, make sure that both Voice & Data are enabled on your device. Tap Settings from the SpringBoard. Choose Cellular. Select Enable LTE then tap Voice & Data.
If the feature is working for you already. Let us know in the comments.