XO Communications announced that its award-winning, business-class Voice over Internet Protocol (VoIP) services bundle, XOptions Flex, has surpassed the 5,000 customer milestone. Launched just fifteen months ago, XOptions Flex's rapid adoption has firmly established it as one of the fastest growing VoIP solutions for businesses.

"XOptions Flex offers businesses the most comprehensive and flexible VoIP services bundle available today," said Charlie Cary, vice president of marketing at XO Communications. "The acceptance of XOptions Flex by more than 5,000 businesses in just a little over one year demonstrates its broad appeal to businesses that are looking for VoIP solutions that are cost-effective to deploy and use for their employees."

XOptions Flex is an integrated VoIP services solution that gives businesses with as many as 160 employees at each location enhanced features, functionality and value, all in one simple package. XOptions Flex combines virtually unlimited local and long distance calling, Dedicated Internet Access and web hosting services for a flat monthly price. XOptions Flex leverages the latest in VoIP technology to provide customers with advanced capabilities such as dynamic bandwidth allocation, voice virtual private networking (VPN), and a simple online feature management tool for making real-time changes to services. In addition, XOptions Flex allows businesses to take full advantage of all of these IP-enabled capabilities and features without having to replace their existing phone systems.

With an XO business-class broadband connection, XOptions Flex carries customers' voice calls over the XO nationwide private IP network and softswitch platform, not the public Internet, and more efficiently and cost- effectively than traditional voice services that rely on the public switched telephone network. As a business-class VoIP solution, XOptions Flex also provides customers with full access to E911 emergency services.