msf This topic has 1 reply, 1 voice, and was last updated 14 years, 7 months ago by souljah boy. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts 30th April 2008 at 06:10 #52246 ryboyGuest we experienced message sending failed but there’s no evidence of possible problems when it comes to KPI’s.. we have low sd drop, sd block and utilization. what could be the possible reason for this. 30th April 2008 at 06:12 #52247 souljah boyGuest ooh… if there’s no problem on the BSS side, check the NSS side of the network. there may be a congestion on the VLR’s Author Posts Viewing 2 posts - 1 through 2 (of 2 total) The forum ‘Telecom Design’ is closed to new topics and replies.