diffrence b/w This topic has 0 replies, 1 voice, and was last updated 11 years, 5 months ago by Shankar. Viewing 1 post (of 1 total) Author Posts 20th August 2013 at 06:56 #69195 ShankarGuest What is diff between call setup , call initiation and call establishment Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.