Riskman's point I think was obvious.
Thankyou Pontius, I thought better to be brief than boring, however some people have to have the alphabet laid out every time....
I phoned the MoD operator to check what contact details they had against my name and post because a colleague, who couldn't remember my ext no, had been unable to get in touch from off-site. She was told I didn't exist in their little world and I rang to find out why. The reasons are the same as for DII, JPA and numerous other out-sourced, so called "services" that cost money that was better spent by FLCs; lousy contracting.
Oh well that was wasted, but thanks for the informative explanation Pontious.
Hopefully, Mac, you will realise now that we don't phone ourselves to see if we're in; we Dd ourselves (a bit like googling but you should only get one hit)