2.9 [2] System406 PC Programming Manual2.9.10 [2-6-3] Numbering Plan—B/NA DND Call FeatureFeature numbers used to access various PBX features can be programmed. The following featuresare available while hearing a busy, DND, or ringback tone. Each feature must have a unique featurenumber.For more information on flexible numbering, see "2.3.6 Flexible Numbering/Fixed Numbering" in theFeature Guide.BSS / OHCA / Whisper OHCA / DND OverrideSpecifies the feature number used to notify a busy extension of a second call by Call Waiting, or callan extension in DND mode.Value Range1 digit (0–9, *, or #)Maintenance Console Location2.9.10 [2-6-3] Numbering Plan—B/NA DND Call FeatureProgramming Manual References2.11.1 [4-1-1] Wired Extension—Extension Settings—Option 2—Manual C. Waiting for ExtensionCall2.11.10 [4-2-1] Portable Station—Extension Settings—Option 2—Manual C. Waiting for ExtensionCallFeature Guide References1.1.3.3 Call Waiting1.3.1.3 Do Not Disturb (DND)1.8.4.2 Call Waiting Tone1.8.4.3 Off-hook Call Announcement (OHCA)1.8.4.4 Whisper OHCAExecutive Busy OverrideSpecifies the feature number used to interrupt an existing call to establish a three-party conferencecall.Value Range1 digit (0–9, *, or #)Maintenance Console Location2.9.10 [2-6-3] Numbering Plan—B/NA DND Call FeatureProgramming Manual References2.9.11 [2-7-1] Class of Service—COS Settings—Extension Feature—Executive Busy Override2.11.1 [4-1-1] Wired Extension—Extension Settings—Option 3—Executive Override Deny2.11.10 [4-2-1] Portable Station—Extension Settings—Option 3—Executive Override Deny
