SDCCH and TCH This topic has 0 replies, 1 voice, and was last updated 14 years, 9 months ago by David. Viewing 1 post (of 1 total) Author Posts 10th February 2010 at 12:38 #61015 DavidGuest Hi, I would like to know the exact reason for TCH and SDCCH Congestion. Also, the symptoms of it. And the ways to rectify the same. Kindly help me in te same as the situation here is critical. We use Ericsson BTS Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.