devices and delivers a flexible and cost-effective network infrastructure. The Vanguard ASG Series enables “real world” enterprise voice and data convergence through a complete set of QoS features and support for analog, digital, and IP phones. Intelligent multi-link load balancing, alternate link back up and PSTN telephony survivability meet the new imperatives of business continuity that enterprises demand. Vanguard Networks provides unrivalled product and services flexibility, enabling service providers and enterprise customers to accelerate services time-to-market and “take control of their network costs”.