The Cisco Second-generation T1/E1 Multiflex Trunk Voice/WAN Interface (MFT VWIC2) supports data and voice applications on the Cisco 1721 (data only), 1751 and 1760 Modular Access Routers.
Features of BenQ Cisco Multiflex Trunk Voice/WAN Interface Card - Voice Interface Card (VWIC2-1MFT-G703=)
Reduces networking lifecycle costsMaximizes system resourcesPBX and Central-office connectivityEcho