11.7.2 PBX Configuration—[3-7-2] Group—UM Group—UnitSettingsA UM group has a floating extension number, which can be assigned as the destination for redirected callsand incoming calls.To assign extension numbers to the group, click Member List. To view a list of all programmed extensionnumbers and types, click Extension List View (see 6.5 Tool—Extension List View).Floating Extension No.Specifies the floating extension number of the UM group.Value RangeMax. 5 digits (consisting of 0–9)PC Programming Manual References9.6 PBX Configuration—[1-1] Configuration—Slot—UM Port PropertyFeature Guide References3.1.1 Unified Messaging System Overview—UM Ports and the UM GroupGroup NameSpecifies the name of the UM group, which will be shown on the display of extensions that call the UM group.Value RangeMax. 20 charactersPC Programming Manual References9.6 PBX Configuration—[1-1] Configuration—Slot—UM Port PropertyFeature Guide References3.1.1 Unified Messaging System Overview—UM Ports and the UM GroupCentralised VM Unit SettingFloating Extension No. (TIE)Specifies the floating extension number of the centralised VM (DPT) group. This floating extension numbermust start with the number used to access a TIE line or the extensions of another PBX.Value RangeMax. 8 digits (consisting of 0–9, *, and #)PC Programming Manual References10.6.1 PBX Configuration—[2-6-1] System—Numbering Plan—Main—Features— TIE Line Access10.6.1 PBX Configuration—[2-6-1] System—Numbering Plan—Main—Other PBX Extension536 PC Programming Manual11.7.2 PBX Configuration—[3-7-2] Group—UM Group—Unit Settings