l  Adopt advanced DSP technology and high-performance conference algorithm; one board can provide 256 conference resources, and each conference supports a maximum of 64 members;

l  In one chassis, a maximum of 8 boards can be installed to provide 2048 conference resources at most, which can construct the telephone conference system in large scales;

l  Monitoring function: Use the broadcasting function by the CT-Bus, and each conference can provide the real time monitoring for 512 members;

l  Speaker identification: Under the NADK, the speaking member can be identified in any specified time;

l  By the powerful comprehensive algorithm, it can prevent the noise generation and keep clear voice to improve the telephone conference quality;

l  DTMF detection/shielding: It can detect the DTMF tones generated by any conference member, and shield the tones from other members;

l  Automatic gain control: Various conference members can keep the same volume;

l  Coach function: It can make any member (coach) speak to any other member (student) without heard by other members. This function can be used in training or specialized information, for example, to build a sub-conference. (Note: This function is supported only by the NADK SDK);

l  Individual volume control: Each member can adjust the conference volume to a satisfied level.

l  Computer Bus:

 ? DNCB2560 adopts the PCI computer bus interface;

 ? DNCB2560C adopts the CPCI computer bus interface;

l  Resource bus

 ? DNCB2560 confirms to the CT-BUS H.100;

 ? DNCB2560C confirms to the CT-BUS H.110. 

l  Enterprise telephone conference system

l  Telephone chatting

l  Multi-Party communication

l  Telephone Karaoke

l  BGM

DONJIN conference resource board in a telephone conference