Hi,

maybe it is not that kamailio related question, but I dont know any other
place with such good voip professionals ;) I have kamailio and mediaproxy.
Clients are BudgetTone 200 (Grandstream) and CSipSimple. I am forcing
clients to use SRTP but it does not support adding any certificate on both
sides. SRTP call is working fine.

The question is, in this case, is man-in-the-middle attack possible? Maybe
I should study SRTP more, but basically, if there are no certificates,
there is no method how to be 100% sure that the media goes directly between
clients. Is it true?

Thanks for response,
Mino
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