SDCCH This topic has 1 reply, 1 voice, and was last updated 15 years, 9 months ago by pix. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 16th June 2008 at 05:11 #52755 Ajmal AryanpoorGuest Hello all can anyone explain me SDCCH? i would like to know form which part of GSM Channel we assign SDCCH 16th June 2008 at 06:13 #52756 pixGuest it is established just to transmit signalling, so normally it is used by one mobile for 4 or 5s. only. used for call setup location update imsi detach sms (send or receive) supplementary services etc. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Telecom Design’ is closed to new topics and replies.