Cisco VWIC2-2MFT-G703 module 2-Port 2nd Gen Multiflex Trunk Voice ... .703 operation is particular to E1 operation, the VWIC2 card also support structured T1 operation Controller local loopbacks ... (includes DS0-group and PRI-group configuration) MFT VWIC2 has an onboard slot for a multiflex trunk dedicated ... Echo Cancellation module is not supported on MFT VWIC2 when MFT VWIC2 is used on the Cisco 1751 or ...