Bt diverse 7450 plus the bt diverse 7450 plus digital cordless phone is the diverse repeater compatible version of the bt diverse 7450 the bt diverse 7450 plus is one of 3 top of the range cordless phones in the new bt diverse plus range and has a built in digital answering machine if more than one handset is required then the bt diverse 7400 plus extra handset needs to be purchased seperately as well the bt diverse range has always been a very popular range of home and business phones one o