KPI This topic has 0 replies, 1 voice, and was last updated 10 years, 1 month ago by Muddassir. Viewing 1 post (of 1 total) Author Posts 2nd December 2014 at 03:06 #69711 MuddassirGuest how to calculate the TCH and SDCCH? Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.