Before a NetSapiens cutover, six categories of data require validation: subscriber records, device templates, dial plans and call flows, emergency-calling (E911) records, feature mappings, and billing-system dependencies. Rollback readiness should be validated as a separate operational control. Each category requires a named owner, documented validation criteria, and a defined response when exceptions are found. A technically sound migration can encounter day-one failures if

Subscriber data is one of the most valuable assets involved in a telecom migration. Moving from platforms such as Metaswitch or BroadWorks to NetSapiens requires more than transferring records. Subscriber profiles, feature assignments, routing rules, device configurations, and third-party integrations all need to arrive accurately and function as expected. Data integrity in a telecom migration means ensuring subscriber records, configurations, routing, features, and integrati