1. NSX38's Avatar
    Just curious if the 1520 supported AMR-WB (Adaptive Multi-Rate Wide Band) Audio?? Got to admit that the HD voice is been nice on T-Mobile, the calls are crystal clear when you have a WB call in place with the phones that support it. I know AT&T said something about releasing HD voice sometime this year right???
    03-22-2014 11:37 PM
  2. Laura Knotek's Avatar
    I have no idea how accurate Wikipedia is, but the article says it is supported. List of Smartphones using HD Voice - Wikipedia, the free encyclopedia
    03-22-2014 11:50 PM
  3. NSX38's Avatar
    Thanks for the link, I hope that's correct because that would be a bummer if it didn't support HD voice when AT&T supposedly releases it sometime this year hopefully.
    Laura Knotek likes this.
    03-23-2014 12:06 AM
  4. NSX38's Avatar
    Never mind I found out that it does have AMR-WB Audio from Nokia spec sheet. Unless AT&T stripped it out of the phone like it did with the Qi wireless charging? Hopefully not
    Laura Knotek likes this.
    03-23-2014 01:05 AM
  5. Joe Rodak's Avatar
    Sorry to revive an old thread but I just got the new Lumia 950 today and when a coworker called me from his Lumia 950 it indicated HD Voice but when I put the same sim card back in my 1520 it does not have HD voice and it drops from LTE to 4G for voice calls. Looks like AT&T stripped it out.
    12-28-2015 09:10 PM
  6. pankaj981's Avatar
    Sorry to revive an old thread but I just got the new Lumia 950 today and when a coworker called me from his Lumia 950 it indicated HD Voice but when I put the same sim card back in my 1520 it does not have HD voice and it drops from LTE to 4G for voice calls. Looks like AT&T stripped it out.
    HD Voice and VoLTE are different things. The Lumia 810 supported HD voice but lacked LTE. The 1520 may or may not support VoLTE.
    12-29-2015 10:22 AM

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