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SOLUTIONS FOR MANAGING MULTI-GENERATION

NETWORK TRANSFORMATIONS

How to optimise VoLTE networks to interwork with 5G SA and 5G NSA.


The increasing complexity of networks means standard solutions are no longer enough to ensure cost savings, competitiveness, and maximum revenue.

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The challenges of complex multi-generation networks

Network configurations can include 3G, 4G and 5G components, and fixed, virtual, cloud and hybrid elements. Operations are also threatened with further complications from AI and blockchain innovations.  

As operators add more network capabilities, complexity grows and may lead to:

• Congestion

• Cyberattacks

• Interop failures

As more operators seek to optimise VoLTE networks to leverage 5G SA and 5G NSA, the need for the latest Diameter signalling solutions is crucial.

The problem of generic vendor network transformations

Generic vendor solution bundles create lock-in, making it expensive to respond to market demands. By exploiting new legislation and regulations, generic vendors force operators to pay high prices or risk fines.

Dominos of generic vendor solutions

The restrictive contracts attributed to vendor lock-in can cause:

  • Rigid networks
  • Higher costs
  • Limited innovation
  • Delayed upgrades
  • Declining products/services
  • End-of-life scenarios

Utilising a DSC for seamless multi-generation network transformations

Continuous security, call quality, charging, and avoiding dropped calls are essential elements for successful network transformation. To achieve this, operators with complex networks can utilise Diameter Signalling Controllers (DSCs) to manage and secure data flows. 

The DSC centralises routing to reduce complexity, enabling better control and management of a Diameter network. Additionally, it makes it easier to secure, manipulate and migrate data during network transformations. 

The DSC combines a Diameter Routing Agent (DRA), a Diameter Edge Agent (DEA) and an Interworking Function (IWF). Together, they greatly enhance networks, making them more secure, efficient and versatile. 

DRA in core

Vodafone Case Study

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Vodafone, a leading global operator, deployed Squire Technologies’ advanced DSC to solve a roaming issue and achieve a seamless network migration, replacing a generic vendor’s legacy solution. 


Squire Technologies’ DSC delivered:

Signalling harmonisation between legacy signalling protocols and proprietary signalling protocols, used by some core elements, while successfully migrating from the solution of the generic vendor to Squire Technologies’. 

Signalling normalisation to overcome compatibility issues between the existing solution and the new DSC by handling all Diameter traffic between these elements. 

Routing and interworking to ensure that, as the migration proceeded, all roaming transactional data routing went to the correct Online Charging Solution, depending on where the subscriber was residing at the time. 

The project demonstrates the outstanding agility of Squire Technologies’ DSC. While maintaining security, charging, and call quality and services, the DSC converts legacy and proprietary protocols to the latest industry standard protocols. 

Leveraging a multi-vendor framework to unlock extra network value 

CSPs need unlimited flexibility and control of their network functions to adapt to market and economic forces. The ability to add new vendor solutions is paramount for success, and operators can do it with the right DSC. 

Squire Technologies’ advanced, dynamic DSC offers: 

  • Unmatched flexibility 
  • Outstanding security 
  • High availability 
  • Easy scalability 
  • Futureproofing 
  • Reduced operating costs 
DRA diagram

The true value of the DSC is in its highly configurable Diameter Signalling Manipulation Engine (DSME).

The DSME enables the creation of enhanced mediation polices to solve complex mediation requirements. An unlimited number of policies can be triggered at points during the flow of a message through the DSC. 

Using the powerful DSME, operators can more easily introduce new vendor solutions and ensure interoperability between multiple devices and device vendors. Additionally, it prevents overload and congestion through sophisticated load balancing and routing algorithms, whilst delivering scaling to match network demand.

Roshan Case Study

roshan logo

Vendor lock-in is an expensive hindrance to network upgrades. Roshan sought to avoid this scenario, requesting a solution compatible with multiple existing and future vendor components. 

The project involved replacing a generic Chinese vendor’s end-of-life signalling transfer point (STP) and implementing a DSC. Squire Technologies’ versatile, forward and backwards compatible DSC and STP, improved 3G and 4G services across two locations, enhancing connectivity and solidifying geo-redundancy in a region vulnerable to ecological disasters. 

Roshan is now able to leverage the flexibility of their DSC-enhanced Diameter/SS7 network to take advantage of new opportunities. The DSC also enables Roshan to reduce congestion, to ensure call quality and services, reduce operating costs and rejuvenate legacy systems. 

Further Information

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Read our latest whitepaper on solving the revenue challenges of 5G SA Roaming.



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