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Re: [Linphone-developers] srtp status?

From: Jehan Monnier
Subject: Re: [Linphone-developers] srtp status?
Date: Thu, 16 Feb 2012 15:24:49 +0100

Hi ,

ZRTP is know integrated in the Linphone-3.5.1 released for desktop

Thanks for your support.


Le 9 janv. 2012 à 11:59, Werner Dittmann a écrit :

SIP TLS (SIPS) does not provide a real end-to-end key negotiation and key
exchange. SIP TLS is only secure between the client and the next SIP
proxy/registrar. All other SIP connections are not under control of
the client (Linphone or others) and SIPS is therefore not secure
to perform key exchanges.

Either use ZRTP or SDES to perform key exchanges. SDES is more coplex
to configure and to use than ZRTP. SDES requires some cerificatiate
management, ZRTP performs everything "on-the-fly".

Any dates when the propsed ZRTP support will be ready? I got several
requests for Linphone ZRTP support already and delayed the work because
I was informed that you guys are working on ZRTP support.


Am 09.01.2012 08:52, schrieb Jehan Monnier:

No, not yet. Key exanges can be done using SIP TLS.


Le 7 janv. 2012 à 21:11, Miguel Angel Alvarez a écrit :

El Sábado 07 Enero 2012, Sylvain Berfini escribió:

Linphone 3.5.0 released few weeks ago enable SRTP support. I suggest you
download it and give it a try.
You can find all information needed about how to get it in our website,


Sylvain Berfini <mailto:address@hidden>

Does it use ZRTP for the key exchange?

Don't see the world through a window, be open{source}minded, and be free :-)

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