Each zone out of six-zone security system can be activated individually when security feature is enabled from programming with feature card attached to the VG card, along with respective zone sensors attached, from DISA dialling. Dialling 5 followed by respective zone number 1 to 6 do this; user will get acceptance tone on activation..

Dial

Where Z is Zone Number

Note: The features listed above are accessible only after valid and authentic Password Entry. The extension users with only DOSA or executive feature access enable, can only access the respective features only. A executive extension user with disabled extension DOSA but enabled system DOSA can not make DOSA calls but can access executive features. DOSA enabled extension with enabled system DOSA but disabled executive features cannot use executive features from remote dialling but can use DOSA feature.