port numbers for VoIP This topic has 1 reply, 1 voice, and was last updated 21 years, 2 months ago by Radium Wolf. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 30th September 2002 at 00:51 #22151 ParitaGuest Hi, If I take data from a TCP Dump and scan it can I by looking at the data identify that it is for video. Does it have particular characteristics? Can I list all the possible port numbers on which the voice data can be transmitted. Please help me on this 2nd October 2002 at 08:59 #22152 Radium WolfGuest tcp 1720 Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Voice over IP’ is closed to new topics and replies.