Vivox, a Framingham, Mass.-based provider of voice services for online games and virtual worlds, has raised $7.8 million in a second round led by Benchmark Capital. Previous investors GrandBanks Capital and Canaan Partners also participated. This brings the company’s total amount raised to $13.8 million, as it raised $6 million from GrandBanks and Canaan two years ago. The company, which enables voice communications across a range of online games, announced in February that its technology would be used in virtual world Second Life. Funds are intended for product development and expanded sales and marketing. Vivox was co-founded by VoIP industry veteran Jeff Pulver. Release.