[SR-Users] Configuration to use rtpengine for SRTP

Daniel-Constantin Mierla miconda at gmail.com
Wed Jul 26 11:06:21 CEST 2017


for phones that are using tls, you can do the following tests:

  - for incoming traffic: proto==TLS
  - for outgoing traffic: after lookup location, the R-URI ($ru) should
have 'transport=tls'

For RTPEngine there are some flags to specify you want or not SDES SRTP,
I used them few times in the past, but I don't recall them by heart --
the docs should have them.


On 26.07.17 06:40, David Cunningham wrote:
> Hello,
> We're configuring Kamailio 4.2 with rtpengine to act as a midpoint
> between a telephone using TLS/SRTP and Asterisk. There are examples
> out there for TLS/SRTP with WebRTC, but we're using a plain hard
> phone, not WebRTC.
> Would anyone be able to point us towards a Kamaiio configuration which:
> a) Tests if the destination phone (stored using usrloc) uses TLS.
> b) Sends RTP for calls to a TLS phone to rtpengine to be encrypted. We
> can assume all phones using TLS want to use SRTP.
> Thanks very much in advance.
> -- 
> David Cunningham, Voisonics Limited
> http://voisonics.com/
> USA: +1 213 221 1092
> Australia: +61 (0) 2 8063 9019
> _______________________________________________
> Kamailio (SER) - Users Mailing List
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Daniel-Constantin Mierla
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Kamailio Advanced Training - www.asipto.com
Kamailio World Conference - www.kamailioworld.com

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