MetroPCS snubs HD voice on VoLTE rollout

MetroPCS has apparently snubbed supporting AMR-WB and HD voice on its VoLTE rollout.  A piece on PCMag.com says the company is using a 7 kHz codec at this time.

Various company statements from MetroPCS allude to HD voice, but the company appears to be betting on RCS – Rich Communications Services – to attract customers through a better user experience.  However, RCS faces the same problems as HD voice – you need to have SIP interoperability through IPX exchange services before you can enable apps.

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