Further information for Dialogic 306-455 - Blue EightSpan 192/240 HL PCIe
PRI, 8x, 4x via RJ45 Y adapter, 192/240 channels, G.168 echo cancellation, G.711 for voice, Automatic Gain Control for video conferencing, Dynamic anti-jitter buffer, full duplex voice, Comfort Noise Generation supports Linux, Half Lenght, Asterisk likely contain Y-adapter included