High Definition Conference using Diva System Release 9.6 and Wide Band audio codecs

Diva System Release 9.6 and provided as part of release chan_capi (or from SVN trunk path) provides support for wide band codecs:

G.722
Siren7
Siren14
Linear16

This allows to use Diva hardware and chan_capi to create High Definition Conference servers.
Diva hardware supports mix of up to 900 TDM E.1/T.1/ISDN/POTS and VoIP (SIP/IAX/...) channels at same time.
Additional media processing can be applied to conference audio streams:
Echo cancellation
Noise Suppression
DTMF tome suppression
Part 168 Voice limiter
Automatic Gain Control for Rx and for Tx media streams

Together with quality of wide band codecs it allows to enhance the quality of conference signal and to achieve better use experience.