I can assure you that we or any other isp's do not have the facility. I magine he was making an assumptions based on your description fo the problem, but perhaps he didn't put this across correctly.
As greysts has said I am here to help, so have a look through the link provided and contact me should you ned any further help.
Dave
Kind Regards Dave Harwood Tiscali UK Ltd http://www.tiscali.co.uk