USSD Abort Msg This topic has 1 reply, 1 voice, and was last updated 13 years, 4 months ago by Peter. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 2nd August 2010 at 08:27 #63913 PeterGuest Hi all, when integrating new USSD platform we faced many USSD session drop (cut over when navigating in menus) and some traces show abort msg from HLR? have anyone an idea about this and possible solutions (Timers…) 3rd August 2010 at 12:25 #63914 PeterGuest MSC send Abort Msg with MAP error “Abnormal Dialogue”, could anyone help me on resolving this? Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Telecom Design’ is closed to new topics and replies.