How to set the tone of rejecting incoming calls for iphone6?

First, when the phone is unlocked, there is a "Reject" button option, just click Reject.

Second, two options information and reminders when the phone is locked:

1 If you click the "Info" button at this time, you will see some commonly used quick reply messages. Click any one to hang up. The system will automatically hang up the phone and send the selected shortcut message to the hung-up power supply.

2 If you click the "Remind me" option, you will also hang up after selecting the reminder time. Then the system will automatically create a reminder.

Third, if it's just some harassing calls and you don't want to create reminders or SMS replies, you just want to refuse to answer the phone directly. There is a power button on the right side of Apple iPhone6. At this time, clicking on it can achieve the effect of silencing the ringtone of the mobile phone.

If you want to hang up directly, please press the power button twice to hang up.