SYDNEY (Dow Jones)--Vodafone (VOD.LN) is considering an offer of Australian dollar-denominated debt, a person familiar with the matter said Thursday. Discussions, which are still in their early stages, are centering around a seven-year maturity with price guidance of around 170 basis points over swap, the person said. No further details were immediately available. -By Enda Curran, Dow Jones Newswires; 61-2-8272-4687; [email protected] (END) Dow Jones Newswires July 15, 2010 00:08 ET (04:08 GMT)