catmtAal5Ds0GroupIndex 1.3.6.1.4.1.9.9.351.1.5.1.1.4

An arbitrary index that uniquely identifies a DS0 group containing one or more DS0 that connect to an AAL5 trunking connection. This object is mandatory when adding an AAL5 entry. Once an AAL5 entry is added, this object can not be modified.