458 / System prgrmingModular ICS 7.1 Installer Guide N0130943 02Park prefix Installer password requiredThe Park prefix is the first digit of the call park retrieval codethat must be entered to retrieve a parked call. If the Park prefixis set to None, calls cannot be parked.Press CHANGE to select the setting: 1 to 9, None, or 0.Tips - The Park prefix cannot be the same as:• the Direct-dial digit• the External Line access code• the first digit of a DN• the first digit of a line pool access code• the first digit of a destination codeIf DN length is changed, and the changed DNs conflict withthe Park prefix, the setting changes to None.Tips - Other programmable settings may affect whichnumbers appear on the display during programming.Although the numbers 0 to 9 are valid Park prefix settings,some may have been already assigned elsewhere by default orby programming changes. To avoid a conflict, refer to thetable of default settings in the description of External code. -SWCA note: If you want to use system wide access (SWCA)keys on your system, you must specify a valid Park Prefix toturn on the feature.