R2 One Way This topic has 0 replies, 1 voice, and was last updated 21 years, 9 months ago by Damian. Viewing 1 post (of 1 total) Author Posts 21st April 2003 at 18:44 #24221 DamianGuest Thus anyone know the difference between R2 Both Way and One Way…? Author Posts Viewing 1 post (of 1 total) The forum ‘Voice over IP’ is closed to new topics and replies.