reasons for tch drop rate This topic has 45 replies, 1 voice, and was last updated 14 years, 11 months ago by kamal kumar sunaria. Viewing 46 post (of 46 total) ← 1 2 3 4 Author Posts 7th December 2009 at 09:09 #42793 kamal kumar sunariaGuest PLEASE SEND ME WHY TCH DROP OCCUR IN GSM. Author Posts Viewing 46 post (of 46 total) ← 1 2 3 4 The forum ‘Telecom Design’ is closed to new topics and replies.