All you have to do is turn on airplane mode during the call. By switching to airplane mode, the call will drop but rather than seeing "call ended," the person you were talking with will see "call failed," so they will think the network dropped the call and not that they were dropped by you.
How to Fix iPhone Call Failed Error
Turn Airplane Mode On And Off Turning Airplane Mode on and off again resets your iPhone's cellular connection, which can potentially fix the problem when iPhone calls fail. Open Settings and tap the switch next to Airplane Mode to turn it on. Wait a few seconds, then tap the switch again.
It's difficult to pinpoint one specific reason for the Call failure. But it's usually because of poor signal quality or some pesky software bugs. At times, it might be because your SIM card is not placed correctly or damaged. Whatever the cause may be, let's troubleshoot and fix the problem.
3. FaceTime call failed
The first and simplest thing to try to fix a call failed error on an iPhone is toggling Airplane Mode on and off again. More often than not, this solves the issue. Swipe down from the upper right corner of your iPhone (or up from the bottom of the screen on models with Home buttons) to access the Control Center.
Remove & Reinsert Your SIM Card A damaged SIM card could be the reason for failed or dropped calls on an iPhone. Check your SIM card for any damage or scratches, especially if you have been using it for a long time. Open the SIM tray using a paper clip (or SIM-eject tool). Take out the SIM card.
You might encounter the Call Failed error if you call a number you've blocked. If you only get the error message when calling a particular number, there's a chance that you can't get through to the person because they've been blocked. The best move, in this case, would be to check your iPhone's Blocked Contacts list.
Ways To Fix The iPhone Call Failed Error
How to fix call failed issue on iPhone
Why Does My iPhone Keeps Saying Call Failed? We can't pin down a single reason why your iPhone keeps saying call failed. Low signal quality, broken SIM card, some annoying software bugs, and SIM card tray damage may cause this problem.
If your Facebook Messenger video call doesn't work, the very first thing that should come to your mind is network connection. Step 1: First, try switching between your Wi-Fi and mobile data. If that doesn't work, you have to reset your network settings.
API calling failures may occur in three scenarios: within a VPC, between VPCs, and on a public network. Within a VPC: Check whether the domain name is the same as that automatically allocated for the API. Between VPCs: Check whether the two VPCs are connected.
Make sure all devices on a FaceTime call have the same version of Apple's iOS operating system (check by going to Settings, clicking General, then clicking Software Update.) Adjust the phone's settings. Go to Settings, click General, then scroll down and click Reset. Choose Reset Network Settings.