Call recording not working on iPhone

From this page in the iPhone User Guide:

Record and transcribe a call on iPhone - Apple Support

”Note: Call recording isn’t currently available in Azerbaijan, Bahrain, Egypt, the European Union, Iran, Iraq, Jordan, Kuwait, Morocco, Nigeria, Oman, Pakistan, Qatar, Russia, Saudi Arabia, South Africa, Turkey, United Arab Emirates, and Yemen.”

"Call recording not working on iPhone: It says in the settings that call recording is ON, but no recording option shows in ongoing calls."

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Troubleshooting Call Recording Not Working:

Other than Location Restrictions being the Culprit:

Update the iOS

Update your iPhone, to the latest-compatible iOS version.

Updating Using a Computer:

If you cannot update successfully through WiFi, then connect this to a computer, and do so using it. Use an Ethernet adapter, if WiFi is still not working on your computer: Belkin USB-C to 2.5Gb Ethernet Adapter - Apple

• Use my User Tip:  Update your iPhone Using a Computer - User Tip
• IMPORTANT: If you have an option to update, however, then be certain you backup your iPhone first. That way, you will have something to restore your iPhone from should anything go wrong with the update