HD Voice allows calling with up to 6 parties while in a Verizon 4G LTE coverage area; however, each additional call must be initiated by the call originator.
From a Home screen, tap the Phone icon (lower-left).
If not available, swipe up to display all apps then tap Phone.
Tap the Keypad icon , enter a 10-digit number then tap the Send icon .
To place a call from the Contacts list, tap Contacts ,select a contact then tap the appropriate number from the corresponding contact.
Once the call is connected, tap Add call (on the left).
Enter a 10-digit number then tap the Send icon.
Once the call is connected, tap Merge (on the left).