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In Roaming Management / Value Added Services

2G/3G Sunset: Seamless VoLTE Roaming Transition

Enable uninterrupted roaming during legacy network transitions. Mobileum’s 2G/3G Sunset solution helps MNOs retain revenue, reduce subscriber churn, and ensure regulatory compliance.

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2G/3G Sunset
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Product Overview

What it is...

Seamless Roaming Transition

Mobileum’s 2G/3G Sunset solution ensures uninterrupted voice and SMS services as legacy networks shut down. It enables seamless subscriber transition to VoLTE, leveraging advanced interworking to preserve service continuity and deliver a consistent roaming experience.

and why it matters...

Prevent Subscriber Churn

Inefficient transitions risk subscriber loss and revenue decline. This solution minimizes churn by maintaining reliable roaming during migration and supports SMS over Diameter (SMSoSGd) for seamless VoLTE interworking.

Quick View: How It Works

Industry Challenges

Simplify 2G/3G Shutdowns for Seamless VoLTE Roaming

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  • Prevent interruptions in voice and SMS services during the shutdown of legacy 2G/3G networks
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  • Safeguard roaming revenues threatened by network transitions and subscriber churn
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  • Overcome complexities associated with integrating VoLTE without existing roaming agreements
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  • Ensure continuous adherence to evolving regulatory standards during network transitions
Key Product Features

Smooth VoLTE Transition

  • Redirects roaming voice and SMS automatically to VoLTE
  • Supports legacy network phase-out with advanced interworking solutions
  • Reduces subscriber disruption by 80%
  • Supports SMS interworking from Diameter ((SMSoSGd) to MAP

Real-Time Traffic Steering and Policy Enforcement

  • Dynamically directs roaming traffic to preferred network partners
  • Controls subscriber roaming choices to optimize cost-efficiency
  • Enables policy enforcement based on subscriber segment
  • Enforces policies to ensure full regulatory compliance
  • Maximizes roaming revenue with real-time traffic routing decisions

Simplified VoLTE Roaming Agreement Management

  • Centralized solution simplifying VoLTE roaming setup
  • Single test point for multiple operator agreements
  • Reduces deployment timeline significantly
  • Ensures compliance with regional standards
  • Deploys roaming services in days, not weeks

Accelerate VoLTE Readiness with Intelligent Roaming Management

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Key Benefits

Key Benefits

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Increase Customer Experience

Enables a smooth transition from 2G/3G to VoLTE, ensuring uninterrupted roaming experiences and supporting SMS over Diameter (SMSoSGd) for seamless interworking.

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Reduce Subscriber Churn

Provides confidence to the subscribers that are able to use their communications in roaming without service interruption, increasing brand value, and customer satisfaction.

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Reduce Operational Cost

Enables operators to seamlessly accept VoLTE connections across numerous networks and gives non-VoLTE network operators a way to roam without either side (HPMN/VPMN) having to make major equipment upgrades. 

Product Spotlight

Product Spotlight

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VoLTE Support

Enable seamless VoLTE roaming during network shutdown transitions.

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Churn Reduction

Maintain customer loyalty by avoiding service disruptions and interruptions.

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Cost Efficiency

Reduce operational expenses linked to legacy roaming infrastructure.

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Compliance Assurance

Easily adhere to local regulations during roaming transitions.

Why Mobileum

  • Global Leader:

    Trusted by 1,000+ operators across 190+ countries

  • Built for Roaming:

    One platform for analytics, steering, and assurance

  • Smarter Roaming Decisions:

    AI detects fraud, optimizes traffic, and enhances QoE

  • Future-Ready Roaming:

    Supports 5G, VoLTE, eSIM, IoT, and beyond

Additional Resources

Additional Resources

Transition from 2G/3G Without Losing Revenue or Subscribers

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