AudioCodes Mediant 1000B This topic has 0 replies, 1 voice, and was last updated 10 years, 5 months ago by Bruggz19. Viewing 1 post (of 1 total) Author Posts 5th June 2014 at 18:24 #32091 Bruggz19Guest I was looking to find out the difference between the CPU Module vs OSN3 Module. Author Posts Viewing 1 post (of 1 total) The forum ‘Voice over IP’ is closed to new topics and replies.