somebody knows, what this mean, or how to avoid this messages? I have clock synchronized on asterisk server using ntpd. Internal RTCP NTP clock skew detected: lsr=4103127456, now=4103296271, dlsr=168820 (2:575ms), diff=5 Internal RTCP NTP clock skew detected: lsr=4103522652, now=4103656826, dlsr=134217 (2:047ms), diff=43 Internal RTCP NTP clock skew detected: lsr=4103782839, now=4104025582, dlsr=242745 (3:703ms), diff=2 Internal RTCP NTP clock skew detected: lsr=4104178035, now=4104279406, dlsr=101449 (1:547ms), diff=78 Internal RTCP NTP clock skew detected: lsr=4104833418, now=4104912422, dlsr=79167 (1:207ms), diff=163 Internal RTCP NTP clock skew detected: lsr=4105488801, now=4105568702, dlsr=79953 (1:219ms), diff=52 Internal RTCP NTP clock skew detected: lsr=4106404371, now=4106685114, dlsr=280756 (4:283ms), diff=13 Internal RTCP NTP clock skew detected: lsr=4107715137, now=4107855555, dlsr=140509 (2:143ms), diff=91