Echo on iPhone 14 during phone conversation

Johnsond wrote:

For the first several minutes of a phone conversation on my iPhone which is running up-to-date IOS, I hear a loud echo of my voice. The other party does not hear any echo. After several minutes, the echo quits although I have done nothing different.

How can I prevent this from happening?

every call every time this is unclear(?)

Cellular calling or WiFi calling or both... this is unclear(?)

In a specific location, or every location you are in for ex across the County... this is unclear(?)

ref: Adjust audio settings on iPhone - Apple Support

ref: Make a call with Wi-Fi Calling

ref: Make and receive phone calls on Mac or iPad

This sounds like a carrier issue— have you talked to them...

Settings>General>Transfer or Reset iPhone>Reset>Reset Network Settings <—————————RESET

If you see SOS, No Service, or Searching on your iPhone or iPad - Apple Support

Manually update your carrier settings on your iPhone or iPad

Manually update your carrier settings on your iPhone or iPad - Apple Support

if you think it is hardware—

Put your iPhone in diagnostics mode - identify potential hardware and software issues

How to put your iPhone in diagnostics mode - Apple Support

the current stable release, including bug fixes iOS 17.6.1

Update your iPhone or iPad - Apple Support