TCH not is use This topic has 0 replies, 1 voice, and was last updated 15 years, 8 months ago by MKT. Viewing 1 post (of 1 total) Author Posts 1st August 2008 at 05:39 #53332 MKTGuest Hi Why do some of TCH of a TRX goes to state NOT IN USE in Nokia BSC3i…Ultrasite BTS? Regards Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.