On Thu, 1 May 2008 11:22:03 +0100, David Floyd <david@floyd.org.uk>
wrote:

>Your scenario fits for earlier this morning , but it was back on OK
>later. Don't know the timings except that it wasn't working when I went
>out at 9:00am but was OK at 10:30

It is working now. Only remaining problem is that voicemail via 121
gives an unobtainable tone after entering mailbox number followed by
hash.