mscVncsDPDnNumberingPlanIndicator 1.3.6.1.4.1.562.36.2.1.44.2.2.10.1.4

This attribute indicates the Numbering Plan Indicator (NPI) of the Dna of the destination component. An address may belong to the X.121 or E.164 numbering plans. X.121 is used in packet switched data networks.