Dear All: Is there any futher action to this topic "BF537Stamp Linphone audio falling behind". the URL is http://blackfin.uclinux.org/gf/project/uclinux-dist/forum/? action=ForumBrowse&forum_id=39&_forum_action=ForumMessageBrowse&thread_id=22524 we have the same problem, but if we switch to alsa lib interface. the problem seems gone. Thanks in advance. Best Regards, Akio