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

[royj]

Well then debug and developer will help in this case, I think

On Wed, 16 Jan 2013 13:38:14 -0000
"Ben" <ben122uk at gmail.com> wrote:

> Configuration is the default config that comes with installing Freeswitch,
> which means that neither proxy media or bypass media are set and the audio
> is being processed by Freeswitch.  As mentioned below, the setup is a simple
> LAN setup with clients and server on the same LAN.  I have no advanced
> config in the dialplan, all the user accounts are default, so it's just the
> stock Freeswitch build.
> 
> Thanks.
> 
> -----Original Message-----
> From: freeswitch-users-bounces at lists.freeswitch.org
> [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of royj
> Sent: 16 January 2013 13:19
> To: freeswitch-users at lists.freeswitch.org
> Subject: Re: [Freeswitch-users] ZRTP error on call setup when dialling
> client uses ZRTP
> 
> 
> What about "full processing media mode" (without any options of proxying
> media) on the client, which supports zrtp. May be useful to provide a
> description of the configuration
> 
> On Wed, 16 Jan 2013 12:30:54 -0000
> "Ben" <ben122uk at gmail.com> wrote:
> 
> > Hi,
> > 
> > Do you mean proxy_media=true in the dialplan?  If so, setting 
> > proxy-media mode in the dialplan means that Freeswitch does not 
> > negotiate keys with the client.  This is not the desired setup.
> > 
> > When both devices use ZRTP and proxy media is set, the keys exchange 
> > directly between the clients, this seems to work fine.  It's when only 
> > one client uses ZRTP do I have the problem.
> > 
> > Thanks.
> > 
> > -----Original Message-----
> > From: freeswitch-users-bounces at lists.freeswitch.org
> > [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of 
> > royj
> > Sent: 16 January 2013 12:11
> > To: freeswitch-users at lists.freeswitch.org
> > Subject: Re: [Freeswitch-users] ZRTP error on call setup when dialling 
> > client uses ZRTP
> > 
> > 
> > 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!
> > > 
> > >  
> > > 
> > >  
> > > 
> > 
> > ______________________________________________________________________
> > ___ Professional FreeSWITCH Consulting Services:
> > consulting at freeswitch.org
> > http://www.freeswitchsolutions.com
> > 
> >  
> > 
> > 
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> > 
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> > 
> > 
> > ______________________________________________________________________
> > ___ Professional FreeSWITCH Consulting Services:
> > consulting at freeswitch.org
> > http://www.freeswitchsolutions.com
> > 
> >  
> > 
> > 
> > Official FreeSWITCH Sites
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> > http://wiki.freeswitch.org
> > http://www.cluecon.com
> > 
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> 
> _________________________________________________________________________
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> http://www.freeswitchsolutions.com
> 
> 
> 
> 
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> 
> _________________________________________________________________________
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> http://www.freeswitchsolutions.com
> 
> 
> 
> 
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