CDR This topic has 1 reply, 1 voice, and was last updated 13 years, 4 months ago by Brother. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 15th September 2011 at 13:30 #67199 XlexGuest HI all please, what is the difference between the two KPIs: “subscriber Perceived TCH Drop” and “TCH Dropped Connection Rate” Xlex 16th September 2011 at 06:31 #67200 BrotherGuest just check the formula, you can understand easily 😉 than tell us also Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Telecom Design’ is closed to new topics and replies.