1 Colt Case study © 2017 Colt Technology Services Group Limited. The Colt name and logos are trade marks. All rights reserved. Customer name BLU Networks Business Provider of VoIP and traditional telephony solutions, fi xed-mobile integration and data solutions, including Internet connectivity and IP-VPNs Sector Communications Challenge To cope with rapid growth of customer demand and to expand through the whole of Europe Products and services VoIP Access (SIP trunking) Voice Line and Voice Connect Number Hosting IN services IP Access In 2010, the dominant operator in the Dutch telecommunications market decided to change its contract terms for the next year. This caused a great stir in the market — and gave Jouk Lier, the founder of service provider BLU Networks, a challenge.

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