Don't just call. Advanced call.

UHD TV, 4K video, Blu-ray CDs. High def is where it's at, so why would you expect anything less when making phone calls?

Depending on your carrier, you can make calls over Wi-Fi, so that they're crystal clear and consistent whenever you're connected to Wi-Fi. In a basement with no reception but bountiful Wi-Fi? You're covered.

HD Voice and Video Calling offer slick audio and crisp video (most of the time), since they're not on a regular mobile network, but surfing the 4G/LTE wave.

How to enable Wi-Fi Calling on a Verizon Galaxy S7

  1. Launch the Settings app from your Home screen, the app drawer, or the Notification Shade.
  2. Tap Advanced Calling under wireless and networks.
  3. Tap Activate Wi-Fi Calling.

    Launch the Settings app, tap Advanced Calling, tap Activate Wi-Fi Calling

  4. Tap Allow.
  5. Tap the checkbox to agree to the terms and conditions.
  6. Tap Continue.

    Tap Allow, tap the checkbox to agree to the terms and conditions, tap Continue

  7. Enter your emergency location information.
  8. Tap Save.
  9. Tap the switch to turn on Wi-Fi Calling.

    Enter your emergency address information, tap Save, tap the switch to turn on Wi-Fi Calling

From there you can decide how you want to connect when roaming: via Wi-Fi or Cellular.

How to enable HD Voice and Video Calling on a Verizon Galaxy S7

  1. Launch the Settings app from the Home screen, app drawer, or Notification Shade.
  2. Tap Advanced Calling.
  3. Tap Advanced Calling to enable HD Voice and Video Calling.
  4. Tap the switch to turn it on.
  5. Tap an option.

    • HD Voice and Video Calling
    • HD Voice only

      Tap Advanced Calling, tap Advanced Calling, choose an option

How to enable HD Voice and Video Calling on an AT&T Galaxy S7

  1. Launch the Settings app from the Home screen, app drawer, or Notification Shade.
  2. Tap Mobile networks.
  3. Tap Mobile data.

    Launch Settings, tap Mobile networks, tap mobile data

  4. Tap Enhanced LTE Services to enable HD Voice.
  5. Tap Video Call.
  6. Tap the switch to turn on Video Calling.

    Tap Enhanced LTE Services, tap Video Call, tap the switch to turn on Video Calling

How to enable Wi-Fi Calling on a T-Mobile Galaxy S7

  1. Launch the Settings app from the Home screen, app drawer, or Notification Shade.
  2. Tap More connection settings.
  3. Tap Wi-Fi Calling.
  4. Tap the switch to enable Wi-Fi Calling.
  5. Choose when to use Wi-Fi when calling.

    • Wi-Fi Preferred- Use Wi-Fi for calls. If Wi-Fi is unavailable use cellular network.
    • Cellular Network Preferred- Use the cellular network for calls. If cellular network is unavailable use Wi-Fi.
    • Never use Cellular Network- Use only Wi-Fi for calls. Do not use cellular network, even if available.

      Tap More connection settings, tap Wi-Fi Calling, tap the switch to enable, tap an option

How to enable Voice over LTE (VoLTE) on a T-Mobile Galaxy S7

  1. Launch the Settings app from the Home screen, app drawer, or Notification Shade.
  2. Tap Applications.
  3. Tap Phone under Application settings.
  4. Tap the switch next to Voice over LTE Preferred to turn it on.

    Tap Applications, tap Phone, tap the switch next to Voice over LTE Preferred

Note: for Sprint, and other carriers, settings may appear differently.