Preserve voice service continuity while modernizing your telephony core. The AudioCodes Mediant 800B with 2 E1/T1 support is built for organizations that need to connect legacy PST infrastructure to SIP-based communications without forcing a disruptive cutover. Designed for enterprise voice migration, this gateway helps bridge traditional circuit-switched trunks and IP telephony environments with the control expected in production networks. It is a practical fit for teams consolidating PBXs, extending survivability, or maintaining interoperability with carrier circuits during phased transitions. With 2 E1/T1 interfaces, the platform is suited to deployments where trunk preservation, call routing control, and predictable integration are more important than low-end appliance pricing. AudioCodes Mediant platforms are commonly selected when voice quality, interoperability, and long-term telephony stability justify a more capable gateway layer. Use it to keep critical calling paths available while your communications architecture evolves. For infrastructure teams, that means fewer service interruptions, cleaner migration planning, and a gateway purpose-built for enterprise telephony boundaries.