TCH blockin- Raw/soft/blocking This topic has 0 replies, 1 voice, and was last updated 15 years, 3 months ago by utsav. Viewing 1 post (of 1 total) Author Posts 9th January 2009 at 11:12 #55313 utsavGuest Hi I am working on Nokia system. Can anybody help me to distingusih between TCH Raw/Soft and Hard blocking Regards Utsav Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.