Telephony traffic is carried via fiber on diverse dedicated OC-3s split into DS3s. Additionally, several copper T1s are used for redundancy. Production traffic terminates on an Excel switch to which the VoiceXML platforms are attached. Diagram
Excel's Converged Services Platform (CSP) is a high-performance, carrier-grade open services platform. The CSP enables MTI to bring new, advanced services to market faster and more cost-effectively. on a platform that provides the greatest flexibility, reliability, scalability, and performance in the industry today.
The Excel CSP's twenty-slot chassis supports up to 2,048 physical voice channels, and over 30,000 virtual channels. The Excel switch is controlled by an MTI custom tandem application running on a Microsoft Cluster Server for maximum availability.
The company's internal G&A and live-agent switch has a hot and redundant CPU system with auto switching and testing.
