 Comverse , also known as Comverse Network Systems or Comverse CNS , is a provider of software and systems enabling value @-@ added services for voice , messaging , mobile Internet and mobile advertising ; converged billing and active customer management ; and IP communications . Comverse 's solutions support flexible deployment models , including in @-@ network , hosted and managed services , and can run on circuit @-@ switched , IP , IMS , and converged network environments . Comverse 's customer base spans more than 130 countries and covers over 500 communication service providers serving more than two billion subscribers . It typically provided some 70 percent of Comverse Technology 's overall revenue . Comverse has 100 local offices in 40 countries , with its corporate headquarters located in Wakefield , Massachusetts , in the US . 
