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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.


Building you a better network

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 - all on the nation's most reliable 4G LTE network. It's the best of both worlds.

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

Check back regularly to view new HD Voice coverage areas.

Reliability claim based on third-party data regarding nationwide carriers' 4G LTE. LTE is a trademark of ETSI. 4G LTE is not available everywhere.


iPhone 6 and iPhone 6 Plus

iPhone® 6 and iPhone 6 Plus include HD Voice for crystal clear conversations and reduced background noise.


What is HD Voice?

HD Voice technology delivers high-quality voice calls across the AT&T 4G LTE network. With HD Voice (within markets where HD Voice is deployed) 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.

How do I use HD Voice?

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.

How will I know I’m on an HD Voice call?

HD Voice has crystal clear sound and reduced background noise.

How is HD Voice different from standard voice?

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.

When will AT&T have nationwide HD Voice coverage and be available in my area?

We’re enabling HD Voice service on a market-by-market basis. Check back regularly to for HD Voice availability and coverage information.

Can I make an HD Voice call with someone who’s not with AT&T?

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.

What happens if I travel outside of the AT&T HD Voice coverage area?

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.

How much does HD Voice service cost?

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.

What devices support HD Voice?

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, have AT&T HD Voice capable devices and phone numbers based within an AT&T HD Voice coverage area.

Can I use my current device to get HD Voice?

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. Visit to see our current selection of HD Voice-capable devices.

Can I purchase an HD Voice-capable device if I’m not in an HD Voice area?

Yes. Our HD Voice-capable devices are available nationwide. However, your area must have HD Voice coverage before your device is enabled with HD Voice.

Can I use HD Voice internationally?

At this time, HD Voice from AT&T is not available internationally.

Can I use my HD Voice-capable device internationally?

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.

Are there services or features that are not compatible with HD Voice?

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