The difference is clear

Clear conversations and reduced background noise so you feel like you're right next to each other. Make and receive high-definition voice calls and enjoy:

  • Crisp call quality
  • Less background noise
  • Simultaneous voice and data at 4G LTE speeds


To use AT&T HD Voice, both caller and receiver need an AT&T HD Voice-capable phone and must be located in an AT&T HD Voice coverage area.

Network and Coverage

AT&T HD Voice uses our all-IP, 4G LTE network. With HD Voice, you can have crystal clear conversations while surfing the Web at 4G LTE speeds.

See current HD Voice coverage in select areas
See AT&T HD Voice capable devices


iPhone 7

iPhone® 7 includes HD Voice for crystal-clear conversations and reduced background noise.


HD Voice technology delivers high-quality voice calls across the AT&T 4G LTE network. With HD Voice you’ll experience clearer voice quality and reduced background noise. You can talk in a normal voice and be heard clearly even in noisy environments. Conversations will sound more natural, almost as if the person at the other end of the line is right there next to you. And with HD Voice, you can talk while surfing at 4G LTE speeds. 4G LTE and HD Voice are not available everywhere.

Both you and the person you’re calling must be AT&T customers on postpaid plans using properly provisioned AT&T HD Voice-capable devices while in an AT&T HD Voice coverage area.

With HD Voice you’ll experience crystal-clear audio and reduced background noise.

HD Voice uses wide-band audio technology and noise cancellation. That means voices sound more natural and you’ll hear much less background noise compared to standard voice calls.

See the HD Voice coverage map for coverage information. 

At this time HD Voice calls are only available between AT&T customers using AT&T HD Voice-capable devices within AT&T HD Voice coverage areas.

If you or the person you’re talking with travel outside the HD Voice coverage area during an HD Voice call, your call automatically switches to our standard voice service.

There is no additional cost for AT&T HD Voice service. HD Voice is one more way AT&T is building a better network for our customers.

See AT&T HD Voice capable devices.

AT&T HD Voice devices are available nationwide. However, both calling parties must be within AT&T HD Voice coverage area and have AT&T HD Voice capable devices.

You’ll need an HD Voice-capable device to get HD Voice service. HD Voice-capable devices are designed to enhance voice quality and cancel background noise. See HD Voice-capable devices

You can use HD Voice internationally with your AT&T HD Voice phone in limited countries. See countries where HD Voice is available.

As with all smartphones from AT&T, the devices can be used internationally but not all features and services may be available. See for more information.

Yes. Currently, the following features and services are incompatible with HD Voice service: GoPhone® prepaid service, Smart Limits, Ringback Tones, and OfficeDirect, and OfficeReach (for business customers).