HD calling on Apple bought iPhone 6?

[cellulartalk]

I asked this question in another thread but it is buried deep in the pages and the question was never answered. Can my iPhone 6 (bought directly from Apple and unlocked) utilize HD calling on AT&T? I have been told that only AT&T branded phones could use HD calling and I have also been told...

More... (http://www.howardforums.com/showthread.php/1875348-HD-calling-on-Apple-bought-iPhone-6?goto=newpost)

Courtesy of WestNet Wireless
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