Definition This topic has 1 reply, 1 voice, and was last updated 22 years, 8 months ago by Fletcher. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 14th April 2002 at 11:33 #34304 KAMALGuest Can anybody tell me that form where I can get the defitions of differnt parameters of Telecom traffic like erlang, BHCA , Average Call holdin Time also the difference between dBd and dBi. 27th April 2002 at 06:41 #34305 FletcherGuest Kamal, Check out “Mobile Cellular Telecommunications” by William C. Y. Lee. Excellent book. Fletch Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Telecom Design’ is closed to new topics and replies.