This error is not really related to RTP but can cause RTP issues. Please open a Jira and we'll take a look at it. Thanks, Brian West On Jan 23, 2008, at 7:14 AM, Sluschny, Thomas wrote: > 2008-01-23 11:47:50 [CRIT] switch_time.c:387 softtimer_runtime() > Forward Clock Skew Detected!