The textual name of the alarming physical entity. The contents of this object is made of concatenated entPhysicalName values that fully identify the object with the overall IP Office entity. Examples values are: Controller, Trunk Slot B, Trunk Module, T1 PRI 2 = T1 PRI Port 2, on a dual T1 Trunk Module, in Trunk Slot B, on the IP Office Controller Unit Controller, VCM Slot 1, VCM 1 = VCM Card, in VCM Slot 1, on the IP Office Controller Unit Controller, EXP 1, DS EXP 16, DS 12 = DS Phone Port 12, on a DS16 Expansion Module, attached to Expansion Port 1, on the IP Office Controller Unit