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
- How to enable HD Voice and Video Calling on a Verizon Galaxy S7
- How to enable HD Voice and Video Calling on an AT&T Galaxy S7
How to enable Wi-Fi Calling on a Verizon Galaxy S7
- Launch the Settings app from your Home screen, the app drawer, or the Notification Shade.
- Tap Advanced Calling under wireless and networks.
Tap Activate Wi-Fi Calling.
- Tap Allow.
- Tap the checkbox to agree to the terms and conditions.
Tap Continue.
- Enter your emergency location 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
- Launch the Settings app from the Home screen, app drawer, or Notification Shade.
- Tap Advanced Calling.
- Tap Advanced Calling to enable HD Voice and Video Calling.
- Tap the switch to turn it on.
Tap an option.
- HD Voice and Video Calling
HD Voice only
How to enable HD Voice and Video Calling on an AT&T Galaxy S7
- Launch the Settings app from the Home screen, app drawer, or Notification Shade.
- Tap Mobile networks.
Tap Mobile data.
- Tap Enhanced LTE Services to enable HD Voice.
- Tap Video Call.
Tap the switch to turn on Video Calling.
How to enable Wi-Fi Calling on a T-Mobile Galaxy S7
- Launch the Settings app from the Home screen, app drawer, or Notification Shade.
- Tap More connection settings.
- Tap Wi-Fi Calling.
- Tap the switch to enable Wi-Fi Calling.
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.
How to enable Voice over LTE (VoLTE) on a T-Mobile Galaxy S7
- Launch the Settings app from the Home screen, app drawer, or Notification Shade.
- Tap Applications.
- Tap Phone under Application settings.
Tap the switch next to Voice over LTE Preferred to turn it on.
Note: for Sprint, and other carriers, settings may appear differently.

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