Answer to Question 1
In the past, voice and fax were the exclusive provenance of the regulated telephone networks. With the convergence of the Internet and telephone, however, this dominance is already starting to change with local and long distance telephone providers and cable companies becoming ISPs, and ISPs getting into the phone market. Key players in the VoiP market include independent service providers such as VoIP pioneers Vonage and Skype (now owned by Microsoft), as well as traditional players such as telephone and cable companies that have moved aggressively into the market.
Answer to Question 2
C
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