Do it all at once:
To be eligible for Enhanced Calling Services, you need to meet all of the following requirements:
To activate HD Voice on your iPhone:
To activate HD Voice on your Samsung device:
To activate HD Voice on your LG Smartphone device:
To activate HD Voice on your Motorola device:
To activate HD Voice on your LG Wine LTE device:
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.
Enhanced Calling is a suite of advanced cellular services enabled by Voice over LTE (VoLTE) technology. VoLTE Technology optimizes the network by delivering voice calls & SMS traffic over the U.S. Cellular 4G LTE data network instead of the traditional voice 2G/3G network, delivered through our Enhanced Calling-capable phones when connected to the Enhanced Calling network. Enhanced Calling Services include the following features:
Note: Enhanced Calling features are included in your existing voice plan at no additional charge. Enhanced Calling is not available everywhere.
To be eligible for any of the Enhanced Calling Features, you need to have an Enhanced Calling-capable phone, and be in the Enhanced Calling service coverage area.
Note: If you have any features that are incompatible with the Enhanced Calling Service, they will no longer function upon availability of Enhanced Calling. Such incompatible services include Ring-Back Tones and Regional Abbreviated Dialing Codes.
HD Voice is High Definition voice calls with reduced background noise for clear & crisp audio connections. 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.
Note: You must to be talking to another Enhanced Calling customer to experience the end to end HD call quality.
Note: Please contact Customer Support if you wish to continue to use the incompatible features above on the legacy 2G/3G network.
To ensure that the latest software is installed on an iPhone:
To ensure that the latest software is installed on an Android phone:
Note: A software update might require a Wi-Fi connection and over 50% battery power.
To activate HD Voice on your iPhone:
To verify that the Enhanced Calling Features are ready to use on an Android phone:
You can make or receive HD Voice calls as long as you are within the Enhanced Calling Coverage area, and speaking with another Enhanced Calling user. If you are outside of the Enhanced Calling coverage area, you can still make or receive regular voice calls. For our Prepaid customers, please review the following coverage map.
While traveling abroad, you can still make or receive regular voice calls on our roaming partners' CDMA or GSM networks, and use HD voice where available.
If you are in an area with a weak Enhanced Calling 4G LTE signal, you may want to consider temporarily turning off the Enhanced Calling setting on your phone to avoid dropped calls.
Note: Remember to turn it back on when you're in a strong Enhanced Calling 4G LTE coverage area to take advantage of the Enhanced Calling features i.e. HD Voice and Simultaneous Voice & Data.
You can make an HD Voice call the same way you make a regular voice call (e.g., from your Contacts app, Phone app or Recent Calls), provided that both you and the person you're calling:
You can set up a 6-way conference call the same way you would set up a 3-way call. The only difference is that if your Enhanced Calling-enabled phone is connected to the Enhanced Calling Network, you can set up a conference call with up to 5 people, even if they don't have Enhanced Calling enabled on their phones.
To set up a conference call with up to 6 phones:
If you're not able to make or receive an HD Voice call, it may be due to one of the following reasons: