[Freeswitch-users] FreeSWITCH on Raspberry Pi - OpenVPN gateway, B2BUA

Peter Steinbach lists at telefaks.de
Tue Mar 26 23:58:25 MSK 2013


Hello Ken,

yes I have seen it. Interesting project. Expecially the LCD part.

Best regards
Peter


On 03/26/13 17:19, Ken Rice wrote:

> Hey Peter have you seen SwitchPI.org?
>
>
> On 3/26/13 3:52 AM, "Peter P GMX" <Prometheus001 at gmx.net> wrote:
>
>       For those who might be interested:
>      
>      During the last days we built a B2BUA based on Freeswitch and
>     Raspberry PI Ver B which connects to a central server via OpenVPN
>     in order to encrypt voice traffic and circumvent NAT issues. We
>     plan to use it during travelling and to have VPN access in the
>     home office. The costs for this are relatively low (~75$).
>      
>      We installed
>      
>      
>
>       * Raspbian
>       * Freeswitch compiled native from GIT (this really takes a while)
>       * OpenVPN
>       * Dnsmasq for eth1 side
>       * isc-dhcp-server for eth1 side
>       * tftpd-hpa for eth1 side
>       * a second LAN interface eth1 was done by a Delock USB 2.0 to
>         LAN interface (about 20$), works out of the box
>      *
>
>       * iptables firewall for NAT traversal
>      *
>
>
>      This worked pretty well. We were not sure beforehand, whether the
>     USB to LAN interface would work nicely, but in fact it did.
>      
>      CPU usage during a single call is
>      top - 10:47:34 up 39 min,  1 user,  load average: 0,64, 0,40, 0,24
>      Tasks:  70 total,   1 running,  69 sleeping,   0 stopped,   0 zombie
>      %Cpu(s):  6,5 us, 12,1 sy,  0,0 ni, 64,9 id,  0,0 wa,  0,0 hi,
>     16,5 si,  0,0 st
>      KiB Mem:    448776 total,    94656 used,   354120 free,    13096
>     buffers
>      KiB Swap:   102396 total,        0 used,   102396 free,    42464
>     cached
>      
>        PID USER      PR  NI  VIRT  RES  SHR S  %CPU %MEM    TIME+  COMMAND
>       2785 root      -2 -10 28328  14m 4844 S   5,3  3,2   0:30.45
>     freeswitch
>       2651 root      20   0  5800 3052 1848 S   3,0  0,7   0:07.73 openvpn
>       3051 pi        20   0  5096 1256  968 R   0,7  0,3   0:01.97 top
>      
>     4 GB CF card was about 75%. Codec was G711.
>      The load was mainly generated by the USB-to-LAN adapter. Maybe
>     someone has a better solution for this?
>      
>      At the end we were impressed, how easy this was to set up.
>      So now we have an easy VPN-Router/B2BA which allows us to
>      
>      
>
>       * connect a PC somewhere and tunnel all traffic via VPN
>       * connect a SIP phone somewhere and tunnel all VoIP traffic via VPN
>
>
>      We did this with an OpenWRT Box before, but this is much more
>     easy to handle.
>      
>      Best regards
>      Peter
>       
>      
>      
>     ------------------------------------------------------------------------
>     _________________________________________________________________________
>     Professional FreeSWITCH Consulting Services:
>     consulting at freeswitch.org
>     http://www.freeswitchsolutions.com
>
>     
>     
>
>     Official FreeSWITCH Sites
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>
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>
>
> -- 
> Ken
> _http://www.FreeSWITCH.org
> http://www.ClueCon.com
> http://www.OSTAG.orgFreeswitch wählen "$" <http://www.OSTAG.org>
> _irc.freenode.net #freeswitch
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
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>
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-- 
With kind regards
Peter Steinbach 

Telefaks Services GmbH
mailto:lists (att) telefaks.de
Internet: www.telefaks.de

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