[Freeswitch-users] ATA that supports TLS/SRTP w FS

[Mark Campbell-Smith]

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 <jason at jasonjgw.net> wrote:
> Mark Campbell-Smith <mcampbellsmith at 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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