Core Networks

Short Message Service Function

SMS delivery for next generation cores

Nokia Products

Core networks

Short Message Service Function

#short-message-service-function
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What is Short Message Service Function?

Nokia SMSF delivers SMS over Non Access Stratum (NAS) as a native Service Based Function (SBF) defined by the Third Generation Partnership Project (3GPP). It works with the Access and Mobility Management Function (AMF), Unified Data Management (UDM), and Charging Function (CHF) to provide secure and reliable messaging as part of the 5G core.

Cloud optimized

Enable faster upgrades, elastic scaling, and consistent operation across the 5G core, built for cloud deployments.

Essential for full 5G core

Bring universal messaging into the 5G core, reaching smartphones and connected devices through a trusted and widely supported channel.

Proven interworking

Preserve existing messaging, subscriber, and charging systems while evolving smoothly toward 5G.

Roaming ready

Support reliable messaging for roaming users worldwide, designed for global operation across international networks.

Security and compliance

Meet security and regulatory requirements with safe and compliant SMS delivery in any market.

Resilient and intelligent

Maintain continuous message delivery under changing conditions by adapting to load, handling failures gracefully, and staying available.

Where Nokia SMSF creates value

Critical notifications that must get through

Use SMS for one-time passwords, service notifications, and network alerts that need to reach users instantly and reliably. Nokia SMSF ensures these messages are delivered even as devices, access types, and network conditions change.

Messaging continuity during 5G transition

Keep existing SMS services running as networks move toward standalone 5G. Nokia SMSF supports uninterrupted messaging throughout modernization, avoiding service gaps while core architecture evolves.

SMS working alongside voice services

Support voice services such as Voice over 5G and Voice over LTE with a dependable messaging channel. SMS continues to play a key role for call related notifications, fallback communication, and user interaction before and after voice sessions.

Enterprise and network driven messaging

Enable secure SMS for enterprise use cases and network-initiated messages, including service information, policy notifications, and operational communication that depend on trusted delivery.

Convergence with other IMS products

Nokia SMSF anchors messaging inside the 5G core and sits naturally alongside voice and application core elements. In the Nokia Cloud Native Core Solutions portfolio, it operates smoothly with Voice over LTE, Voice over 5G, and the Telephony Application Server (TAS), using the same cloud native foundations for automation, observability, and life cycle management.

SMS delivery over IP, 4G NAS and 5G NAS with SMSF

Nokia Products

Core networks

Short Message Service Function

#short-message-service-function
Our Price: Request a Quote

Get a Quote

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