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From: | Simon Morlat |
Subject: | Re: [Linphone-developers] TLS Network Option |
Date: | Mon, 30 Jan 2012 10:08:19 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111124 Thunderbird/8.0 |
Hi Ahmed, To clarify, SIP/TLS is really SIP over TLS, that is there is a TCP/TLS connection made on the SIP server, then after the SSL handshake SIP messages are totally encrypted both ways. No SIP messages are exchanged before the SSL handshake. The media streams (which are RTP packets over UDP), are established in different channels and are not encrypted by default. In order to encrypt them too, you need to activate SRTP encryption in the settings. SRTp is an encryption protocol dedicated to RTP streams, where only the contents of the packet is encrypted (that is voice data), not the header (header contains sequence number, payload type number, timestamp). Best regards, Simon Le 29/01/2012 15:06, Ahmed Refaey a écrit :
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