Hi, As you've seen in the code, it is only triggered by PJMEDIA_JB_MISSING_FRAME. But, PJMEDIA_JB_MISSING_FRAME may be caused by DTX feature of remote (not necessarily jitter buffer empty) and this is harmless. BR, nanang On Fri, Aug 27, 2010 at 5:11 AM, Pranav Desai <pdesai at signalogic.com> wrote: > > Hello All, > > While making some test calls, I am getting a lot of 'Frame lost!' logs. > I went through some of the source code of PJSIP v1.7. > According to the source code, the only time I should receive 'Frame lost!' > messages is when i get a 'PJMEDIA_JB_MISSING_FRAME' status from the > 'pj_status_t get_frame' command. > > Can someone please confirm, that the only time I can get a 'Frame lost!' > is when a status 'PJMEDIA_JB_MISSING_FRAME' is returned. > > Is there also any case for getting 'Frame lost!' logs when I have an empty > jitter buffer? > > Also, > http://trac.pjsip.org/repos/ticket/969 > this mentions about clock drift and periodically dropping packets. > > Please also assume, there is certain amount of clock drift. We are not > using any clock correction techniques. > Can 'Frame lost!' logs result from a similar situation. > > -Regards, > Pranav Desai > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >
