Hi Eize, Thanks for the captures, I got your point. I guess it is understandable, on null-audio device the audio_frame_ptime represents the clock tick interval. Depending on the application need, it can be either harmful or not. Was worrying if the inconsistency was in RTP timestamp. BR, nanang On Thu, Sep 23, 2010 at 4:48 PM, EiSl 1972 <eisl1972 at gmail.com> wrote: > Hello Nanang, > > I did not have the capture files anymore, so I re-tested it for you. > > Find attached a ZIP-file with two capture files where the SDP-Answer goes > for G.711-30ms. > One capture is made with cfg->media_cfg.audio_frame_ptime = 20 (showing > 'inconsistent' timing) and one capture with cfg->media_cfg.audio_frame_ptime > = 10. > > With regards, > Eize