[Serusers] SIP encrypted calls

[Nils Ohlmeier]

On Saturday 26 February 2005 12:05, Stefano wrote:
> what about SIPS (SIP Secure)? i found out two links to this subject
>
> http://www.ietf.org/internet-drafts/draft-barnes-sipping-sec-inserted-info-
>02.txt
> http://www.ietf.org/internet-drafts/draft-jennings-sip-sec-flows-02.txt

SIPS is already in RFC3261 defined.

> and i think SNOM has implemented something about SIPS.

Yes snom has SIPS available in all its products.

> What about SER do you think there will be future implementation of SIPS?

AFAIK SIPS support is available for SER under commercial license, but not for 
free.

Greetings
  Nils

> stefano
>
> >-- Messaggio Originale --
> >From: Nils Ohlmeier <lists at ohlmeier.org>
> >To: serusers at lists.iptel.org
> >Subject: Re: [Serusers] SIP encrypted calls
> >Date: Fri, 25 Feb 2005 20:09:47 +0100
> >Cc: "Stefano" <stefanoblasco at tiscali.it>,
> >	"Daniel-Constantin Mierla" <Daniel-Constantin.Mierla at fokus.fraunhofer.de>
> >
> >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 at fokus.fraunhofer.de> To: Stefano
> >> > <stefanoblasco at tiscali.it>
> >> >CC: serusers at 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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> >> >>
> >> >>
> >> >>
> >> >>_______________________________________________
> >> >>Serusers mailing list
> >> >>serusers at lists.iptel.org
> >> >>http://lists.iptel.org/mailman/listinfo/serusers
> >>
> >> __________________________________________________________________
> >> Tiscali Adsl 3 Mega Flat, 3 MESI GRATIS!
> >> Con Tiscali Adsl 3 Mega Flat navighi in Rete alla supervelocita'
> >> a soli 29.95 euro al mese senza limiti di tempo. Attivati entro
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> >>
> >>
> >>
> >> _______________________________________________
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> >> http://lists.iptel.org/mailman/listinfo/serusers
>
> __________________________________________________________________
> Tiscali Adsl 3 Mega Flat, 3 MESI GRATIS!
> Con Tiscali Adsl 3 Mega Flat navighi in Rete alla supervelocita'
> a soli 29.95 euro al mese senza limiti di tempo. Attivati entro
> il 28 Febbraio 2005, 3 MESI sono GRATIS
> Scopri come http://abbonati.tiscali.it/adsl/sa/2flat_tc/