John A. DiSarlo

Vanguard Networks offers a portfolio of multiservice access gateways and IP routers for service providers and enterprises. With full routing capabilities, enterprise-class integrated security, proven VoIP services, switching capacity, and rich protocol support, the Vanguard Access Services Gateway replaces several single-purpose network 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.