2.2 PT Programming—Procedures52 Programming ManualProgramming Manual References[512] DISA Security CodeFeature Manual References1.1.41 Direct Inward System Access (DISA)[512] DISA Security CodeSpecifies the DISA security codes that must be entered when "Trunk Security" (a DISA security code isrequired to make an outside (CO) line call) or "All Security" (a DISA security code is required to make anintercom call or outside (CO) line call) is selected in [511] DISA Security 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) Maintaining the secrecy of passwords.c) Selecting passwords that are complex and random, so that they cannot be easily guessed.d) Changing passwords regularly.Conditions• This setting is required if "Trunk Security" or "All Security" is selected in [511] DISA Security Mode.• Each DISA security code should be unique.• The number of digits for DISA security codes is selected in [530] DISA Security Code Digits.Programming Manual References[511] DISA Security Mode[530] DISA Security Code DigitsFeature Manual References1.1.41 Direct Inward System Access (DISA)5 1 2 NEXT code no. security code STORE END(1…4) 4…10 digits(0…9)SELECTNEXT PREVorTo continueTo continueAll-Not stored
