NetNumen U31(CN) (hereafter, U31(CN) is used) system is built on a unified NM platform of ZTE, provides centralized management for all kinds of core network equipment of GSM/WCDMA/TD SCDMA/CDMA /Wimax /EPC, such as MSC, MSC Server, MGW, HLR, SGSN, GGSN,MSCe, PDSN, AGW, AAA, MGCF, MME ,SGW /PGW, DRA,TWAG and CG. Furthermore, ZTE self developed products, such as CTS(Call TraceSystem),
NetBAS(Network Business Analysis System), also can be managed by U31(CN) for alarm management.
U31(CN) provides functions of fault management, topology management,performance management, configuration management, security management, log management, trace management inventory management , system management, etc.
U31(CN) is located in EMS layer of TMN model, and provides northbound interface such as FTP File, CORBA, SNMP and MML.