tmnxBsxIsaAaGrpUnassignedSapSubs 1.3.6.1.4.1.6527.3.1.2.63.1.2.1.28

The value of tmnxBsxIsaAaGrpUnassignedSapSubs indicates the number of Service Access Point (SAP) subscribers that have not been assigned to an ISA-AA MDA within a group.