[pjsip] SRTP feature requests

Nanang Izzuddin nanang.izzuddin at gmail.com
Thu Feb 14 13:01:40 EST 2008


Hi Klaus,

No.1 is added to the existing ticket, I think the cases are related:
http://trac.pjsip.org/repos/ticket/467

No.2 should be good and useful.
https://trac.pjsip.org/repos/ticket/479

Thanks for the reports (& request :D)

nanang


On 14/02/2008, Klaus Darilion <klaus.mailinglists at pernau.at> wrote:
> Hi!
>
>  I did some SRTP tests and it mostly works, but:
>
>  1. It does not work if pjsip sends SAVP and 200 OK contains AVP - then
>  pjsip has an open call but does not send RTP. The logs say:
>
>   16:02:54.437   pjsua_call.c SDP negotiation has failed: SDP media
>  transport type mismatch in offer/answer (PJMEDIA_SDPNEG_EINVANSTP)
>  [status=220046]
>
>  What should happen now? Should pjsua-lib hang up the call? It does not
>  and the call changes to "confirmed".
>
>  If the application should send the BYE, then there should be some
>  indication, e.g.     PJSUA_CALL_MEDIA_SAVP_FAILED in the
>  call_media_state callback. Or is there already a callback which tell the
>  application about the SRTP failure?
>
>  2. If SRTP is optional and a call is established, it would be good to
>  retrieve SRTP status from pjsua (e.g. pjsua_call_get_info()) to indicate
>  SRTP status to the user.
>
>  thanks
>  Klaus
>
>
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