Cisco Configuration This topic has 1 reply, 1 voice, and was last updated 21 years, 7 months ago by Rommel. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 26th September 2001 at 05:34 #20750 ArunGuest Does any one know why tech prefix is used in cisco gateways..is it used in other gateways also 6th November 2001 at 01:31 #20751 RommelGuest Its an optional part of the standard. I do not know if any vendor other than cisco implements it. It is used to help routing along by grouping through tech prefix. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Voice over IP’ is closed to new topics and replies.