Protocol error between MSC and BSC This topic has 2 replies, 1 voice, and was last updated 6 years, 9 months ago by abc. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts 15th April 2009 at 14:10 #56788 SpideyGuest Hi all, while integration an NSN MGW with ALcatel BSS we faced many HO fail due to “protocol error between MSC and BSC”. any explanations about this problem and possible solutions? thanks 5th August 2011 at 13:12 #56789 MukeshdGuest HO Failure reason: BSSAP RESULT : MSC-BSC IF PROTOCOL ERROR 4th April 2018 at 05:03 #56790 abcGuest Protocol Error between BSS and MSC Author Posts Viewing 3 posts - 1 through 3 (of 3 total) The forum ‘Telecom Design’ is closed to new topics and replies.