matchboxbananasynergy You'd have to dial a number for that to happen, at which point it's not longer an accidental press.
This should be investigated. If this is not required by law there should be an option to disable this. It is a privacy issue that could expose the IMEI without the need to open the phone. If this is out of scope because of a conflict with law please provide a source. If there is no conflict with the current law it should be implemented to disable ANY connection to cell towers no matter what.