MAP User abort This topic has 1 reply, 1 voice, and was last updated 6 years, 9 months ago by Wallis Dudhnath. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 6th March 2013 at 16:54 #68904 SONYGuest What are the possible reasons for MAP user abort for USSD notification messages from HLR. Abort as application procedure cancellation 19th February 2017 at 06:58 #68905 Wallis DudhnathGuest With TCAP there must be a P-AbortCode in the message. This will help with a Root Cause Analysis. Has there been any recent changes (e.g. parameter updates, software updates) to the HLR for USSD? Assume that all nodes are on the same MAP version (e.g. V2, V3, etc..)? VBR/ Wallis Dudhnath Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Telecom Design’ is closed to new topics and replies.