It’s a great story—but here’s what NASA told us.
Well written news report. News reports suggested a ham radio operator in India contacted the SpaceX Dragon crew on board Dragon (one of the astronauts is a ham radio operator). The story notes many hams (including me) have, in fact contacted ISS (mailbox/APRS) or crew (two of the crew on board right now are ham radio operators) and that this is fairly common.
In this case it appears the original ham radio operator in India may have gotten confused with a press conference link.