Missing RTP packets

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Have you tried to turn off the VAD (set media_cfg.no_vad = PJ_TRUE)?
If the problem still occurs, try to use G711 codec.

Regards,
nanang


2008/5/1 Jack Bonn <jack.bonn at swlabs.com>:
> I retrieved the latest from the Subversion database and have built an
> image that almost works in the CE 5.0 environment.  I am testing against
> SJphone running on the PC.  As I previously mentioned, I had to change the
> definition of VSNPRINTF in pa_debugprint.c to get things to compile, and
> changed a few things in pjsua_wince.cpp: the value of SIP_DST_URI,
> disabled STUN and disabled ICE.  I am testing on a local network, so STUN
> and ICE would seem to be unnecessary.
>
> I can establish connection in either direction, either from SJphone to
> wince_demos or visa versa.
>
> The audio from the PC to the WinCE computer seems fine.  Clear and very
> little delay; much less delay than with Microsoft's CE VOIP demo (which
> seemed excessive).
>
> Here is the problem: the audio from the CE box toward the PC is choppy and
> eventually drops down to a few clicks.  At this point, few RTP packets are
> being sent toward the PC (as indicated by WireShark).  Those few remaining
> packets being sent by wince_demos all have the "Mark" bit set.
>
> I have my options in config_site.h set as follows:
>
>   # define PJ_HAS_FLOATING_POINT 1
>   # define PJMEDIA_HAS_G722_CODEC 0
>   # define PJMEDIA_HAS_G711_PLC 0
>   # define PJMEDIA_HAS_L16_CODEC 0
>   # define PJMEDIA_HAS_GSM_CODEC 1
>   # define PJMEDIA_HAS_ILBC_CODEC 0
>   # define PJMEDIA_HAS_SPEEX_CODEC 0
>   # define PJMEDIA_HAS_SPEEX_AEC 0
>   # undef PJMEDIA_RESAMPLE_IMP
>   # define PJMEDIA_RESAMPLE_IMP PJMEDIA_RESAMPLE_LIBRESAMPLE
>   # define PJMEDIA_WSOLA_IMP PJMEDIA_WSOLA_IMP_NULL
>   # define PJMEDIA_HAS_SRTP 0
>
> WireShark indicates that GSM codecs are used in both directions.
>
> Not sure where to look next.  Suggestions?
>
> --
> Jack Bonn  <> Software Design Labs, Inc.
> jack.bonn at swlabs.com (847)526-1337
>
> Dyslexics untie.
>
>
> _______________________________________________
> Visit our blog: http://blog.pjsip.org
>
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