Hello, Thank you for reply. If I am using RTCP for network checking, is there any callback function used to update the RTCP result to UI? Thanks Pai Sent from my iPhone On 11.03.2013, at 18:34, <gaurav.srivastava2 at agnity.com> wrote: > Hi Pai, > > Enable the feature RTCP on both the clients you will get the desired values from PJSIP. > > Thanks and Regards, > Gaurav > > > On Mon, 11 Mar 2013 17:58:30 +0100, Pai Peng wrote: > > Hello, > > > > > > My new question is if it is possible to use pjsip to test VoIP audio > > quality(jitter, paket lost, etc.)? Is there any functions implemented for > > this purpose? (or I need to calulate the values by myself?) > > > > Or any other open source? > > > > I would like to test the network broadband speed for audio quality, which > > audio codec to use for under different conditions. > > > > > > Thank you. > > > > > > Regards, > > > > Pai > _______________________________________________ > 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