2.8 [2] SystemPC Programming Manual 127Value Range1–31Maintenance Console Location2.8.7 [2-5] Holiday TableProgramming Manual ReferencesNoneFeature Manual References1.17.4 Time Service2.8.8 [2-6-1] Numbering Plan—MainDetails of the extension numbering schemes and feature access numbers can be programmed here.For more information on flexible numbering, see "1.6.4 Flexible Numbering/Fixed Numbering" in theFeature Manual.ExtensionThe leading numbers and the number of additional digits of the extension numbers for a maximum of64 different extension numbering schemes can be programmed.Leading NumberSpecifies the leading number of extension numbers and floating extension numbers.DefaultExtension Numbering Scheme 01: 1Extension Numbering Scheme 02: 2Extension Numbering Scheme 03: 3Extension Numbering Scheme 04: 4Extension Numbering Scheme 21: 5Extension Numbering Scheme 22: 6Extension Numbering Scheme 05–20, 23–64: Not stored.Value RangeMax. 3 digits (consisting of 0–9)Maintenance Console Location2.8.8 [2-6-1] Numbering Plan—MainProgramming Manual References2.9.9 [3-5-1] Incoming Call Distribution Group—Group Settings2.9.16 [3-7-2] VM(DPT) Group—Unit Settings2.9.19 [3-8-2] VM(DTMF) Group—Group Settings2.10.1 [4-1-1] Wired Extension—Extension Settings2.10.8 [4-2-1] Portable Station—Extension Settings