Why LCH? This topic has 0 replies, 1 voice, and was last updated 23 years, 12 months ago by Rommel. Viewing 1 post (of 1 total) Author Posts 21st December 2000 at 01:12 #33157 RommelGuest Why do they name one of the disposition of blocked calls “Lost calls Held?” LCH means the call is dropped and completely lost. Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.