trunk slip codes This topic has 0 replies, 1 voice, and was last updated 19 years, 6 months ago by Ashu. Viewing 1 post (of 1 total) Author Posts 16th October 2004 at 21:21 #40009 AshuGuest Hi all, Please explain me what are trunk slip codes? Regards, Ashu Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.