I always thought it was Grandma Duham who made the announcement; as you say probably via phone call.
How tragic that she died less than 48 hours before the 2008 election of the Lying Kenyan Usurper.
Madalyn Payne Dunham death: Died November 2, 2008 (aged 86) Honolulu, Hawaii, U.S. - NOTE: that is a Hawaii date - not sure of the time but it would be several hours later in the Lower 48.
Just like how tragic that Seth Rich, Bernie supporter and Wikileaks informant, was shot to death before the 2016 Democrat coronation of Hillary Rodham Clinton.
Democrat 2016 Convention Dates: Jul 25, 2016 – Jul 28, 2016
Seth Rich shot to death Date: July 10, 2016
Conveniently died at the most opportune time. Sister Lea also conveniently died. Grandma Sarah got slapped with a gag order.
I still think brother Mark Ndesandjo was giving the world a huge clue by posting on his website the picture of him and "David" (who's middle name just happens to mean second twin) who looks exactly like Barry. That may also be the reason Barry has a hard time remembering where he was born, when he was born and how old he is.