Hi everyone in multipoint conference, when the terminal joining the conference has received the H.245 CommunicationModeCommand from MC, Should we open logical channels using the OpenLogicalChannel-OpenLogicalChannelAck sequence? Best Regards Jihye Park(Miss) Nada Research Co., Ltd. Seoul 137-070 , Korea Tel: 82-2-525-3941 Fax: 82-2-525-3945 pjh@deskview.nada.co.kr <mailto:pjh@deskview.nada.co.kr>