We offer our customers 24/7/365 Network Monitoring and Operational Support for their legacy networks.Transmission (or IP ) network routine health inspection service. Network management system routine maintenance service.  Transmission（or IP ) equipment protection switch test service.  Network management system leasehold service. Transmission network circuit optimization service.  Transmission（or IP ) equipment troubleshooting technical support service. Equipment training service.  Inventory and spare card management service.