1.2.8 To Access Another Party Directly from Outside (Direct In-ward System Access [DISA])– Calling through DISACalling through DISAWhen outside callers access extensions in the PBX, a pre-recorded message greets the caller and gives informationabout how to access an extension. You do not need the op-erator’s assistance.You may be able to access system features or call an out-side party with your password depending on the securitymode.TDA200To call an extensionDial DISAphone number.DISAphone no.From Outside TelephoneIn No Security Mode/Trunk Security ModeOff-hook.Dial DISAphone number.Enter extension PIN orverification code PIN (max.10 digits).DISAphone no.In All Security ModeOff-hook.74Enter 47. Dial your extension number,or enter and then verification code.yourextension no.verificationcodeORDial desiredextension number.desiredextension no.Dial desiredextension number.desiredextension no.extension PINverification code PINORR.B.Tone &DISA messageR.B.Tone &DISA messageC.Tone &D.TonePIN: Personal Identification Number*User Manual 511.2.8 To Access Another Party Directly from Outside (Direct Inward System Access [DISA])