Avaya DEFINITY Enterprise Communications Server (ECS)

摘要

Avaya's DEFINITY ECS Release 9 is the latest version of the company's market-leading family of digital PBXs. The DEFINITY switching system transmits voice and data simultaneously and supports analog, hybrid, digital, and ISDN station sets. DEFINITY also adds support for VoIP, and DEFINITY IP Solutions software enables DEFINITY servers to support the full functionality of converged voice, data, and video IP networks.