27902XX1-A &27903XX1-A adopts the following means for security codes assignment: Manufacturer provides a fixed code that is continuously varied among at least 256 discrete digital codes as each telephone is manufactured in random, {Section 15.214, ©. (2), (i The actual security code used is 40-bit long with 25-bit variations (i.e. 33,554,432 variations) assigned in random manner. FOC 1D: GIHR-TI0IA Starch Report No.