Integral Access said Thursday it got a $45 million fourth round of funding, which was led by Technology Crossover Ventures. 
Previous investors participating in this round include Ascent Venture Partners, Coral Ventures, Prism Venture Partners and St. Paul Venture Capital. Both St. Paul Venture and Technology Crossover Ventures have received seats on the company's board. Chelmsford, Mass.-based Integral provides an Internet Protocol-based system for carriers, which allows voice, data and video to be carried on one network, rather than putting each service on a separate network. The company has raised a total of $108.5 million and received a slight decline in valuation with the latest round.
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Discuss: Integral Access gets $45 million
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