Trunk clearcodes This topic has 0 replies, 1 voice, and was last updated 17 years, 2 months ago by nemo. Viewing 1 post (of 1 total) Author Posts 24th February 2007 at 04:50 #46667 nemoGuest What are EFAIL,SFAIL and IFAIL in context of clearcodes provided by MSC for trunks Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.