WALTHAM, Mass.--(BUSINESS WIRE)--NetCracker Technology announced today that VIVACOM, a leading quad-play communications service provider in Bulgaria, has gone live with an upgrade to the NetCracker Revenue Management solution. The NetCracker platform enables convergence of VIVACOM’s rating, billing and charging operations across all lines of business. VIVACOM is the largest communications service provider in Bulgaria, providing fixed-line, mobile, broadband and pay-TV services. The upgraded Net
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