Sometimes, iPhone refuses to place or connect a Call and comes up with “Call Failed” error message. You will find below the steps to fix this frustrating problem on your iPhone.
Fix Call Failed Error on iPhone
The Call Failed issue on iPhone could be occurring due to various reasons, ranging from change in Call Settings and poor network connectivity to hardware related issues.
Hence, it is recommended that you try to fix the problem on your device by going through these troubleshooting steps in the same order.
If you are unable to fix the problem using these methods, you will have to report the issue to your Carrier.
1. Refresh Network
The wireless antenna on your iPhone can sometimes become glitchy and prevent you from making calls.
Go to Settings > Enable Airplane Mode. by moving the toggle to ON Position. Wait for 30 seconds and Disable Airplane Mode. by moving the toggle to OFF position.
2. Unblock the Phone Numbers
Sometimes, the problem is due to the Phone Number being accidentally blocked on iPhone. To confirm, go to Settings > Phone > Blocked Contacts and see if the Phone Number that you are trying to Call is listed.
If the Phone Number is listed, swipe-left on the blocked Phone Number and tap on Unblock.
Once the Number is unblocked, you should have no problem receiving and making calls to this Phone number.
3. Enable Caller ID
In some cases, Hiding Caller ID can lead to “Call Failed” error on iPhone. This option can get sometimes get enabled due to accidental dialing of the code to Disable Caller ID.
To confirm, go to Settings > Phone > Show My Caller ID and make sure Enable Caller ID option is set to ON position.
Note: In general, hiding Caller ID should not prevent you from calling any phone number.
4. Remove and Reinsert SIM Card
An improperly inserted, faulty or damaged SIM Card is another reason for Calls not going from iPhone.
To confirm, remove the SIM Card from your iPhone using a paper clip or a SIM Ejector tool and inspect the SIM Card for visible signs of damage.
If the SIM Card appears to be fine, reinsert the SIM Card and see if you can make a Call from your iPhone. If you are still unable to Call, insert the SIM Card into another iPhone and see if it is working.
If the SIM Card is not working on another iPhone, it confirms that the SIM Card is damaged and needs to be replaced.
5. Reset Network Settings
If the above troubleshooting steps did not help, the problem could be due to Network Settings on your iPhone becoming faulty or corrupted.
Go to Settings > General > Reset > On the next screen, tap on Reset Network Settings option.
On the confirmation pop-up, tap on Reset to Confirm.
After Network Settings Reset, you will have to connect back to your WiFi Network by entering your WiFi Network Password.