3.2 System Programming (Manager Programming)Operating Manual 165[530] DISA Security Code DigitsYou can select the number of digits used for DISA security codes assigned in [512] DISA Security Code.Entering CharactersYou can enter the following characters. The tables below show you the characters available for each button.Table 1 (Alphabet mode)/Table 2 (Numeral mode)• WARNINGThere is a risk that fraudulent telephone calls will be made using the Outside-to-Outside (CO-to-CO) Line Call feature of DISA.The cost of such calls will be billed to the owner/renter of the PBX.To protect the PBX from this kind of fraudulent use, we strongly recommend:a) Enabling DISA security (Trunk Security or All Security).b) Keeping DISA security codes secret.c) Selecting complex, random codes that cannot be easily guessed.d) Changing codes regularly.• Security code numbers (not security codes) are logged by Station Message DetailRecording (SMDR).• The number of digits required for DISA security codes can be assigned in [530] DISASecurity Code Digits.• When this setting is changed, all assigned DISA security codes are cleared.STOREPress NEXT.Enter 512. Press STORE. Press END.Enter security code(4–10 digits).security codePress NEXT. Press PREV.To continueTo end5 1 2Enter codenumber (1–4).code no.NEXT ENDORNEXT PREVPress SELECT.SELECTPress NEXT.Enter 530.5 3 0 NEXTPress SELECT(4–10 digits).SELECTTo endPress STORE.STOREPress END.END
