An intermediate report:
*Audiocodes*: TLS works only on outgoing requests, incoming ones are
ignored. I am waiting for Audiocodes' help in order to debug it.
SRTP: worked when no TLS is active. When TLS is active the call is
disconnected when the remote party answers. Still debugging it.
*VegaStream Europa-50*: SRTP works. Waiting for Vega for instructions how to
enable TLS from the WEB interface.
Regards, __Yehavi:
2009/12/4 Yehavi Bourvine <yehavi.bourv...@gmail.com>
> I'll report when I am done.
>
> So far I've enabled only SRTP and both support it.
>
> __Yehavi:
>
> 2009/12/4 Mark Campbell-Smith <mcampbellsm...@gmail.com>
>
>> Thanks Yehavi,
>>
>> I would be very interested to find out how your test goes... can you
>> report back after you have tested it?
>>
>> Thanks!
>>
>> On Fri, Dec 4, 2009 at 3:38 PM, Yehavi Bourvine
>> <yehavi.bourv...@gmail.com> wrote:
>> > Hello,
>> >
>> > I have AudioCodes MP and Vega ATA adapters. They both support SRTP;
>> they
>> > should support TLS also (will try it next week; up to now I preffered to
>> not
>> > use TLS so I can sniff the traffic and debug things).
>> >
>> > Regards, __Yehavi:
>> >
>> > 2009/12/4 Mark Campbell-Smith <mcampbellsm...@gmail.com>
>> >>
>> >> Cheers Gabriel.. thanks for the information.
>> >>
>> >> I'll look at the Mediatrix ATA's as an alternative - has anyone had
>> >> experience with those and TLS/SRTP?
>> >>
>> >>
>> >> On Fri, Dec 4, 2009 at 10:25 AM, Gabriel Kuri <gk...@ieee.org> wrote:
>> >> > The ATAs I'm aware that claim support for TLS and SRTP w/ SDES are
>> the
>> >> > Grandstream and Mediatrix devices (although I've never tried either
>> >> > one with FreeSWITCH).
>> >> >
>> >> > I've personally never had any good experience with the Grandstream
>> >> > ATAs. The Mediatrix ATAs are OK devices, but I've never personally
>> >> > tested them with SRTP w/SDES and FreeSWITCH, but supposedly they
>> >> > support it (so says their marketing material and docs).
>> >> >
>> >> > I'd see if Cisco has any plans to add support for it to the ATAs.
>> Next
>> >> > time I see our Cisco SE, I'll try to poke him about it.
>> >> >
>> >> > Gabe
>> >> >
>> >> > On Thu, Dec 3, 2009 at 2:34 PM, Mark Campbell-Smith
>> >> > <mcampbellsm...@gmail.com> wrote:
>> >> >> Quote: Cisco/Linksys SPA series ATAs do not support SDES key
>> exchange
>> >> >> to appropriately support SRTP and FreeSWITCH
>> >> >>
>> >> >> I'll check with Cisco regarding their implementation then and try to
>> >> >> find out when/if they will support standard SRTP encryption.
>> >> >>
>> >> >>
>> >> >> So, back to my origianal question then. Are there any ATA's that
>> >> >> support TLS AND SRTP with FreeSwitch?
>> >> >>
>> >> >>
>> >> >> On Fri, Dec 4, 2009 at 9:17 AM, Gabriel Kuri <gk...@ieee.org>
>> wrote:
>> >> >>> AFAIK, the Cisco/Linksys SPA series ATAs do not support SDES key
>> >> >>> exchange to appropriately support SRTP and FreeSWITCH. They do
>> their
>> >> >>> proprietary Sipura key exchange only, not sure if Cisco plans on
>> >> >>> upgrading the firmware to ever support SDES on the ATAs. They added
>> >> >>> support for SDES to their IP Phones about 1 year ago, but nothing
>> has
>> >> >>> happened with the ATAs as of yet.
>> >> >>>
>> >> >>> Gabe
>> >> >>>
>> >> >>>
>> >> >>> On Thu, Dec 3, 2009 at 2:05 PM, Mark Campbell-Smith
>> >> >>> <mcampbellsm...@gmail.com> wrote:
>> >> >>>> Hi All,
>> >> >>>>
>> >> >>>> I managed to borrow a SPA3102 with the latest firmware and have
>> got
>> >> >>>> it
>> >> >>>> to register using TLS, but I am still struggling with SRTP. Has
>> >> >>>> anyone managed to get SRTP working with the Linksys devices and if
>> >> >>>> so,
>> >> >>>> can they direct me on how to do this.
>> >> >>>>
>> >> >>>> I have generated a mini-certificates and SRTP Private Key using
>> the
>> >> >>>> gen-mc tool found at
>> >> >>>>
>> >> >>>>
>> http://www.megajournal.ru/journal/users_data/11049/msg_files/24120/gen-mc.c-v0.98.tar.gz.mp3
>> .
>> >> >>>> However, when ever I initiate a call from the SPA, I can see that
>> >> >>>> the
>> >> >>>> call is not encrypted.
>> >> >>>>
>> >> >>>> Help appreciated.
>> >> >>>>
>> >> >>>> Thanks!
>> >> >>>>
>> >> >>>>
>> >> >>>> On Sat, Nov 28, 2009 at 6:31 AM, eman <e...@chabotel.com> wrote:
>> >> >>>>> Check out the Linksys SPA2102
>> >> >>>>>
>> >> >>>>> On Wed, Nov 25, 2009 at 3:34 AM, Mark Campbell-Smith
>> >> >>>>> <mcampbellsm...@gmail.com> wrote:
>> >> >>>>>>
>> >> >>>>>> The only ATA mentioned on the WIKI that supports TLS/SRTP is the
>> >> >>>>>> Grandstream HandyTone 503. But, again according to the wiki,
>> that
>> >> >>>>>> doesn't seem to behave to well with TLS ...
>> >> >>>>>>
>> >> >>>>>> On Wed, Nov 25, 2009 at 7:14 PM, Jason White <
>> ja...@jasonjgw.net>
>> >> >>>>>> wrote:
>> >> >>>>>> > Mark Campbell-Smith <mcampbellsm...@gmail.com> wrote:
>> >> >>>>>> >> Does the SPA3102 support TLS or only SRTP?
>> >> >>>>>> >
>> >> >>>>>> > I don't know, but supporting only SRTP would be ridiculous,
>> since
>> >> >>>>>> > the
>> >> >>>>>> > keys
>> >> >>>>>> > would then be transmitted in the clear and therefore amenable
>> to
>> >> >>>>>> > interception.
>> >> >>>>>> > SRTP requires the SIP channel to be encrypted by TLS in order
>> to
>> >> >>>>>> > be
>> >> >>>>>> > secure.
>> >> >>>>>> > ZRTP, on the other hand, doesn't have this limitation: it
>> works
>> >> >>>>>> > entirely
>> >> >>>>>> > in
>> >> >>>>>> > RTP.
>> >> >>>>>> >
>> >> >>>>>> > I would be rather surprised were a hardware manufacturer to
>> >> >>>>>> > implement
>> >> >>>>>> > SRTP
>> >> >>>>>> > without TLS for the SIP traffic. On the other hand, we've seen
>> >> >>>>>> > often in
>> >> >>>>>> > this
>> >> >>>>>> > forum that some manufacturers are really clueless...
>> >> >>>>>> >
>> >> >>>>>> >
>> >> >>>>>> > _______________________________________________
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