telecom This topic has 0 replies, 1 voice, and was last updated 18 years, 3 months ago by suji. Viewing 1 post (of 1 total) Author Posts 7th July 2006 at 09:43 #45327 sujiGuest i want to learn about the oum,us in network support system(nss) Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.