XO Communications (News - Alert), provider of advanced IP communications, managed network and IT infrastructure services for businesses, enterprises, government, carriers and service providers, has recently won the Frost & Sullivan’s (News - Alert) 2011 North American Competitive Strategy Leadership Award for VoIP Access and SIP Trunking Services.

This is the second consecutive win for XO Communications, recognizing the company for its strong growth in the market, significant market share and broad portfolio of services.

"We are proud that Frost & Sullivan has recognized us once again as the market leader for business VoIP and SIP trunking services," said Don MacNeil, chief marketing officer for XO Communications.

MacNeil said that they have designed their VoIP and SIP trunking services to scale to support businesses regardless of size, technology lifecycle or type of business and their comprehensive portfolio, including enterprise SIP trunking and hosted VoIP offerings, helps their customers do business better, reduce complexity and increase operational efficiencies through the best use of IP-based network infrastructure.

XO Communications has to date acquired 1.2 million end users and double-digit VoIP and SIP trunking services revenue growth and has been offering innovative offerings such as XO Enterprise SIP and XO Enterprise Cloud Communications.

The company was recentlydipping into the cloud communications solution and will help businesses transition to IP communications and achieve better cost savings across their enterprise with a new solution. in news for

Elka Popova, program director, Unified Communications (News - Alert) and Collaboration, Frost & Sullivan said, "XO has time and again demonstrated it can anticipate evolving market trends and tailor its services to address emerging business demands faster than a majority of its competitors."