To be eligible for Enhanced Calling Services, you need to meet all of the following requirements:

Have a Primary Address & Phone number in the Enhanced Calling Service coverage area. To check Enhanced Calling coverage in your area, please visit the Coverage Map & enter your address, city or zip code.

Have an Enhanced Calling-capable phone with the latest device software/Carrier Settings

Be physically within the Enhanced Calling Service coverage area

To activate HD Voice on your iPhone:

Go to Settings

Tap Cellular Settings

Tap Cellular Data Options

Tap Enable LTE

Tap/Verify "Voice & Data" is checked

You've successfully added HD Voice.

To activate HD Voice on your Samsung device:

Go to Settings

Tap Connections

Tap Mobile Networks

Tap/Verify the "Enhanced Calling" slider to On

You've successfully added HD Voice.

To activate HD Voice on your LG Smartphone device:

Go to Settings

Tap Networks

Tap Enhanced Calling

Tap/Verify "HD Voice" slider to On

You've successfully added HD Voice.

To activate HD Voice on your Motorola device:

Go to Settings

Tap Wireless and Networks; select More

Tap Cellular Networks

Tap/Verify Enhanced Calling is On

To activate HD Voice on your LG Wine LTE device:

Go to the Wireless & Networks menu screen

Press the 7 key [Enhanced Calling]

Use the navigation key to highlight On or Off

Press the OK key [Set] to connect to it

You've successfully added HD Voice.

Note: Once HD Voice is activated, you will be able to enjoy the other Enhanced Calling features, such as Simultaneous Voice & 4G LTE Data, and 6-Way Calling.