25 Feb
2005
25 Feb
'05
9:09 p.m.
On Friday 25 February 2005 12:02, Stefano wrote:
I'd like to encrypt media, but i thought there
should be some client that
can do it
without changing proxy behaviour!
There are clients. See my previous mail. SRTP is completely transparent for
SIP proxies.
Anyway IPSec seems a good solution, but if I configure
the proxy server for
IPSec, can i handle both encrypted and not encrypted calls?
You should be able to receive messages encrypted over IPSec as well as the
plain old messages.
But this solution will only work if you put an IPSec gateway in front of a
complete subnetwork with phones in it or use only soft-phones. Because I do
not know any hard phones which support IPSec (correct me if I'm wrong).
Greetings
Nils
stafano
-- Messaggio Originale --
Date: Thu, 24 Feb 2005 17:13:00 +0100
From: Daniel-Constantin Mierla
<Daniel-Constantin.Mierla(a)fokus.fraunhofer.de> To: Stefano
<stefanoblasco(a)tiscali.it>
CC: serusers(a)lists.iptel.org
Subject: Re: [Serusers] SIP encrypted calls
You want to encrypt the signaling, media or everything?
For everything I guess IPsec is the solution, for signaling only, TLS
can be an alternative to IPsec. Just for media, a solution would be
Secure-RTP but I am not aware of any client implementing it.
If the signaling is encrypted, the proxy must know how to decrypt it.
Daniel
On 02/24/05 15:37, Stefano wrote:
>Hi all,
>
>i have a question:
>
>-do you know how it's possible to encrypt the comunication between two
SIP
>client?
>
>-does the proxy implement some particular tasks or actions, or is it a
client-side
>problem?
>
>-if it is so, do you know any SIP client that implements encription?
>
>Thank you very much
>stefano
>
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