2. A method according to claim 1 , further comprising: during the registration process by said user of said telephone call management system: assigning an identification to said user; associating said identification with said first speech sample in said database; during the each subsequent access attempt by said user to said telephone call management system to place said telephone call: receiving said identification from said user; and locating said first speech sample in said database using said identification.
2. A method according to claim 1 , further comprising: during the registration process by said user of said telephone call management system: assigning an identification to said user; associating said identification with said first speech sample in said database; during the each subsequent access attempt by said user to said telephone call management system to place said telephone call: receiving said identification from said user; and locating said first speech sample in said database using said identification. 7. A method according to claim 2 further comprising taking a control action when detecting that the unauthorized person has spoken.