Despite AT&T’s month-old promise there’s still no VoIP calling support on the iPhone, and it doesn’t look like Apple or its US carrier partner are in a particular hurry to switch it on.Meanwhile, over at the App Store, the approvals teams continue to attract controversy with slow approvals and inexplicable decision-making, as evinced in last week’s brief flirtation with Hitler’s Mein Kampf.GigaOm has been chatting with VoIP iPhone app makers, including Nimbuzz, Skype, Fring and Truphone ever since AT&T promised VoIP for the iPhone a few weeks back.A Nimbuzz spokesman said: “Apple actually did not approve the 3G calling - so they completely b
