Conferencing is related to the service, which allows creating the
conference when all participants are in different places. It gives a chance to
communicate, exchange data and correspond in real time and also allows using
the video signal that gives a chance to see one another.
Citel Technologies , A Voice over IP Phone company that provides VoIP Business Phone Systems. Its Main products include EXTender, PBXgateway, Upgraded Hardware Products, PBX platforms etc.