A400 PCI Express 2-24 Port Expandable Voice Card with Echo Cancellation Hardware
Consists of a Remora daughterboard mounted on the AFT PCI card
Remora card has six sockets, each of which can accept a FXO-2 or FXS-2 module
Up to one additional Remora daughterboard can be mounted, connected by a backplane bus connector
Each Remora card has a robust DB25 connection and is ready for hardwiring into a punch block at the PTSN connection
G. 168-2002 echo cancellation in the hardware
1024 taps/128ms tail per channel on all channel densities
DTMF decoding and tone recognition
Voice quality enhancement: music protection, acoustic echo control, and adaptive noise reduction
No CPU load as a result of echo cancellation
Echo cancellation hardware does not increase the physical size of the card and no additional slot is required
Support for Asterisk, FreeSwitch, and Yate, as well as other open source and proprietary PBX, switch, IVR, and VoIP gateway applications
Includes one standard 12-line color coded telephone cable