PDCH Preemption This topic has 0 replies, 1 voice, and was last updated 15 years, 10 months ago by Spider. Viewing 1 post (of 1 total) Author Posts 18th June 2008 at 10:23 #52813 SpiderGuest Hi all, could i have some details of the PDCH preemption mecanism. Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.