US VoIP service providers continue to grow

US VoIP service providers have continued to grow over the past three years, it has been revealed.

The latest Inc 5000 report, which lists the fastest-growing private firms in the US, has shown that VoIP providers have continued to prosper despite the economic downturn.

Vox Network Solutions, which provides both IP telephony solutions and unified communications, has experienced 1736 per cent growth over the last three years.

The firm is ranked at 160th on the list and has revenues of $10 million (£6.5 million).

Fellow VoIP provider Vocalocity is listed at 254 in the list and has reported a 1218 per cent growth over the same period.

Vocalocity delivers its facilities to small companies with a maximum of 50 employees and offers its users a comprehensive package so consumers do not need to outsource any of its services.

Furthermore, Genband, which recently purchasing rival firm Nortel CVAS, recorded a 445 per cent growth since 2007.