Newly re-elected New Zealand Prime Minister John Key was talking to a supporter on his mobile phone when another call came in.
"I didn't recognize the number, so I didn't take it," Key told a New Zealand television station.
Only later did aides tell Key who was trying to reach him: President Obama.
https://www.usatoday.com/story/theoval/2014/09/22/obama-john-key-new-zealand-phone-call/16057707/