HD Voice delivers clearer, natural-sounding audio when both parties are using HD Voice-enabled phones that are connected to our 4G LTE network.
HD Voice service is included in your existing voice plan at no additional charge. When you purchase an iPhone 6 or newer, HD Voice is automatically added to your account and ready for you to use on your device. HD Voice calls are billed as standard voice minutes, according to your plan.
HD Voice also enables:
- Simultaneous voice and 4G LTE data
- 6-way audio conference calls
- Wi-Fi Calling