Forsters is a leading London law firm offering a wide range of services to corporate clients and private individuals. The firm is best known for its real estate and private client work, with one of the largest and most experienced full-service real estate teams in the UK. The firm also has thriving corporate and dispute resolution practices. 

Forsters began in 1998 with 100 people based in offices in Grosvenor Street.

In 2005 the need for more space saw Forsters move to Hill Street where it remains today. Further expansion since 2010 has seen numbers rise above 300 and now the firm is housed in three adjacent buildings.


  • Phased migration from Vodafone BlackBerry to EE4G iPhone devices.
  • Wandera Mobile Data Optimisation application roll-out.
  • IP telephony solution blending SIP and ISDN services.
  • Sonus SBC installation.


  • Enhanced mobile functionality and user experience.
  • Access to 50% faster 4G speed.
  • Control of mobile data usage in real-time.
  • Enhanced DDI survivability and network security.
  • Cost saving though rationalisation.

The Challenge

With the rapid development of mobile communication technology Forsters were aware of the need to invest in the latest connectivity and devices to provide their expanding numbers with the optimal tools whilst maintaining and enhancing control over usage and costs.

As Forsters is located in central London a robust and seamless continuity solution was also required for fixed line communication. The challenge was to enhance existing infrastructure by enabling their network to address essential needs now and provide a strategic foundation for the future.

Spectrum's Approach

A full mobile communication audit providing independent recommendations including a transition from BlackBerry to iPhone, a port from Vodafone to EE4G and the addition of Wandera’s Mobile Data Optimisation application across the fleet.

A phased implementation plan, prepared and executed to support a smooth transition and end user adoption. Access to Spectrum’s Account Management Team, who provide the very best ongoing support for Forsters bespoke requirements.

Rationalisation of existing connectivity and migration over to a Spectrum IP telephony solution, incorporating SIP and ISDN services, took place, providing complete control over the routing of individual DDIs.

Integration of a Sonus Session Border Controller into existing infrastructure, enabled any-to-any connectivity between legacy PBX technology and SIP connectivity.

The Results

Changing to iPhone allowed the users to benefit from enhanced functionality and an improved user experience. The new mobile network improved 4G access and data speed which is 50% faster than Vodafone on average. Forsters also value the improved billing platform which incorporates vital cost centre reporting.

Implementing Wandera’s data cost management and compliance services Forsters are able to manage their company mobile data consumption in real-time and gain better insight into usage.

Moving to Spectrum’s SIP product along with the installation of a Session Border Controller ensures Forster’s communication are safe, secure and reliable. They have complete DDI survivability across all the numbers in their estate.

This hybrid solution not only secures the network now but enables Forsters to advance their UC strategy.


"We took the plunge and upgraded our mobile devices and 4G network.
With Spectrum’s support the whole transition was seamless. Spectrum’s SIP product provides us with peace of mind.

We know our fixed line communications are 100% resilient.

Andrew Meade
IT Manager - Forsters LLP

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