In an email to corporate clients around 11.30pm last night, Gen-i boss Chris Quin went into an unprecedented degree of detail about fixes carried out so far - including attempts to manage "registration storms" as base stations are restarted.

Mr Quin said 38 cellsites were still down, including locations in Wellington, Dunedin and Queenstown (see full list end of article) but that technicians would work thought the night as the XT outage crisis enters its third day.