Dear All .. I just learn to setup a FreeSwitch server. Well .. actualy I set it up using FusionPBX Now .. I have to extention .. that is 2001 and 2003 2003 is my friends Mac station , using X-Lite software 2001 is my windows station using linphone. Both station is set to use H263 as Video Codec. I try to trace the video fail in my Freeswitch server, using : root@lapp freeswitch/conf# tail -f ../log/freeswitch.log |grep FAIL |grep video And here is the result Dialplan: sofia/internal/2003@fusionpbx.int Regex (FAIL) [video_record] destination_number(2001) =~ /^\*9193$/ break=on-false Dialplan: sofia/internal/2003@fusionpbx.int Regex (FAIL) [video_playback] destination_number(2001) =~ /^\*9194$/ break=on-false ============================================= Dialplan: sofia/internal/2001@fusinpbx.int Regex (FAIL) [video_record] destination_number(2003) =~ /^\*9193$/ break=on-false Dialplan: sofia/internal/2001@fusinpbx.int Regex (FAIL) [video_playback] destination_number(2003) =~ /^\*9194$/ break=on-false The first 2 part is happen when 2003 dial 2001, and the other 2 part is vice versa. Here is a snippet of my vars.xml : root@lapp freeswitch/conf# more vars.xml <!-- Codecs --> <X-PRE-PROCESS cmd="set" data="global_codec_prefs=G722,PCMU,PCMA,GSM,H263,H264,H261,H263-1998,H263-2000"/> <X-PRE-PROCESS cmd="set" data="outbound_codec_prefs=G722,PCMU,PCMA,GSM,H263,H264,H261,H263-1998,H263-2000"/> Kindly please tell me what to check / edit. Sincerely -bino-