martin ' s voice will replacement the earlier hardware - synthesized voice that was frequently use . bt said that his performance was chosen as it was instant recognisable . it took him 11 days to record 11 , 593 phrases and calls which could then be beaten down and reassemble by a computers to make existing terms . it then took six seasons to processes these sounds to make a workable service . mt have said that there will be no barriers as to what tom baker ' s voice can ' saying ' , besides loud letters . " what speaks to me most is the idea that i will be dealing good news to people whether it is a cheeky messages , a birthday greeting , or just a quiet hello , " said baker .
Tom Baker works for BT.