[Freeswitch-users] FS to answer a call with ZRTP and do text-to-speech of SaS

[Jason White]

Fabio Pietrosanti (naif) <lists at infosecurity.ch> wrote:
> On 01/04/10 11.47, Jason White wrote:
> > ZRTP is negotiated whenever the RTP stream starts; there's no point delaying
> > it. If there's no ZRTP support on the other end, it just continues as an
> > unencrypted call.
> >    
> So if a call is ZRTP enabled FS automatically negotiate it.

That's what ZRTP is designed to do.
> Is there already some prototype and/or support to extract the negotiated 
> SaS and do a text to speech?

The SAS is available in a variable - I can't remember the details now, and the
text to speech should be easy at that point.