10.6.3 PBX Configuration—[2-6-3] System—Numbering Plan—B/NA DND Call FeatureFeature numbers used to access various PBX features can be programmed. The following features areavailable while hearing a busy, DND, or ringback tone. Each feature must have a unique feature number.For more information on flexible numbering, see "5.5.7 Flexible Numbering/Fixed Numbering" in the FeatureGuide.BSS / OHCA / Whisper OHCA / DND OverrideSpecifies the feature number used to notify a busy extension of a second call by Call Waiting, or call anextension in DND mode.Value Range1 digit (0–9, *, or #)Maintenance Console Location10.6.3 PBX Configuration—[2-6-3] System—Numbering Plan—B/NA DND Call FeaturePC Programming Manual References12.1.1 PBX Configuration—[4-1-1] Extension—Wired Extension—Extension Settings—Option 2— ManualC. Waiting for Extension Call12.2.1 PBX Configuration—[4-2-1] Extension—Portable Station—Extension Settings—Option 2— ManualC. Waiting for Extension CallFeature Guide References2.1.3.3 Call Waiting2.3.3 Do Not Disturb (DND)2.10.4.2 Call Waiting Tone2.10.4.4 Whisper OHCAExecutive Busy OverrideSpecifies the feature number used to interrupt an existing call to establish a three-party conference call.Value Range1 digit (0–9, *, or #)Maintenance Console Location10.6.3 PBX Configuration—[2-6-3] System—Numbering Plan—B/NA DND Call FeaturePC Programming Manual References10.7.1 PBX Configuration—[2-7-1] System—Class of Service—COS Settings—Executive— Executive BusyOverride12.1.1 PBX Configuration—[4-1-1] Extension—Wired Extension—Extension Settings—Option 3— ExecutiveOverride DenyPC Programming Manual 51510.6.3 PBX Configuration—[2-6-3] System—Numbering Plan—B/NA DND Call Feature
