How to set the fixed SMS content of iphone6 incoming call?

Step 1: In the iphone6 interface, we find "Settings-Mobile Phone" and then click "Reply Message" and click Open.

Step 2: IOS8 system has 3 short messages by default, which we can edit and modify, as follows.

Second, the realization of functions.

If you call now, we can click the "SMS" button first:

Then click on the message we set and click another one, so that the phone will automatically hang up and send a message back to your friend.