SD CD This topic has 0 replies, 1 voice, and was last updated 13 years, 4 months ago by Huawei – Man. Viewing 1 post (of 1 total) Author Posts 30th July 2010 at 13:00 #63898 Huawei – ManGuest Dear friends Ping Pong location update result is 3000-4000 per hour. SDCCH Call Drop is 300-400 per hour. The reason is Ping-Pong LU of SD Call Drops, is it possible? Author Posts Viewing 1 post (of 1 total) The forum ‘Telecom Design’ is closed to new topics and replies.