[Freeswitch-users] ZRTP error on call setup when dialling client uses ZRTP

[royj]

What is the proxy-media mode on both sides, in both cases. It matters. In my case I have experienced this

On Wed, 16 Jan 2013 10:36:08 -0000
"Ben" <ben122uk at gmail.com> wrote:

> Hi all,
> 
>  
> 
> My server is running the latest git stable build of Freeswitch, all config
> is default and server/clients are on simple LAN setup.  I'm having an issue
> when using ZRTP on one client only, specifically the dialling client.
> 
>  
> 
> The calling device has ZRTP enabled, and the called device does not.  In
> this scenario, the FS server should act as a man in the middle and exchange
> keys with the calling device.  This results in the A leg being encrypted and
> the B leg un-encrypted.  However as soon as the key exchange initiates, the
> A client errors and tears down the call.  What's strange is that when I
> initiate the call from the non-zrtp client to the zrtp client, the keys
> exchange fine between server and client A, and 2-way audio is present.  So
> it's only when it's the dialling handset do I have the problem.
> 
>  
> 
> I've then gone on and tested the same thing on the latest git, and the
> problem goes away.  So my question is, can anyone advise on what
> changes/patches have been applied to the latest git that has resolved this
> issue?  I've tried to search the git tree, but I'll be honest I'm a bit
> unfamiliar with how it works and I'm not sure that I'm searching properly.
> 
>  
> 
> The ZRTP device is an iPhone running Groundwire, and it doesn't seem to
> matter what codec I use.
> 
>  
> 
> Thanks for the help!
> 
>  
> 
>  
>