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Circuit switched core

Use Rel-4 modernization to reduce costs and evolve your voice offer

Ease migration to VoLTE and cloud-based voice services by deploying a Nokia circuit-switched core. Our Rel-4 voice solution enables you to reduce OPEX and improve the customer experience by efficiently supporting 2G and 3G voice and ensuring a disruption-free migration to VoLTE.

Our products and solutions

Circuit Switched Core

Rel-4 mobile voice solution



One-NDS for subscriber data management