N200 TIMER This topic has 1 reply, 1 voice, and was last updated 9 years ago by Deovrat. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 23rd November 2012 at 18:49 #68729 asherGuest Call drop due to N200 Expiry?kindly explain whats the reason behind it? 14th January 2016 at 15:28 #68730 DeovratGuest N200 expiry means what?? In GSM Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Telecom Design’ is closed to new topics and replies.