Traffic in Erlang and BHCA. This topic has 1 reply, 1 voice, and was last updated 20 years ago by Julian. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 17th January 2003 at 10:39 #35015 aleximoGuest Hello Guys, Does soemone here knows the formula between BHCA ( busy hour call attempts) and Erlang for Voice networks ( e.g. Mobile networks)? I would appreciate if somebody can provide me with the erlang A and Erlang B traffic formula. Thanks in advance Regards 23rd January 2003 at 06:19 #35016 JulianGuest Hello Aleximo, BHCA=Traffic (in erl)*Average call holding time (ACHT)/3600 I’ve no idea on Erlang A. For Erlang B, the P(blocking)=(A^C/C!)/sum (n=0..C) (A^n/n!) Regards Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Telecom Design’ is closed to new topics and replies.