Full Duplex bandwidth This topic has 1 reply, 1 voice, and was last updated 22 years, 5 months ago by VoIP Calculator webmaster. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 21st December 2000 at 14:25 #19873 Werner WehrliGuest I am confused about voip bandwidth: Example: Uncompressed = 64kbps + 20 kbps IP overhead. So a full duplex conversation would make twice that ? 21st December 2000 at 23:39 #19874 VoIP Calculator webmasterGuest Yes. You would need that bandwidth in each direction for full duplex. But symetrical circuits are fairly normal practice anyway. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Voice over IP’ is closed to new topics and replies.