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

Dave R. Kompel drk at drkngs.net
Wed Mar 27 01:06:15 MSK 2013


Just in case anyone is intersted I also have it running on a PCDuino (http://www.pcduino.com), which has a little bit more balls then a Pi.  
   
--Dave
      _____  

  From: Peter Steinbach [mailto:lists at telefaks.de]
To: FreeSWITCH Users Help [mailto:freeswitch-users at lists.freeswitch.org]
Sent: Tue, 26 Mar 2013 14:01:31 -0700
Subject: Re: [Freeswitch-users] FreeSWITCH on Raspberry Pi - OpenVPN gateway, B2BUA

Hello William,

I will try to, if I'll find the time. Currently the Raspberry went to a
home office of a colleague, so I will have to set up a new one. It's
ordered already.

Best regards
Peter



On 03/26/13 15:53, William King wrote:
> This is an interesting project. Could you document this, and post the
> relevant configs into a github repo?
>
> William King
> Senior Engineer
> Quentus Technologies, INC
> 1037 NE 65th St Suite 273
> Seattle, WA 98115
> Main: (877) 211-9337
> Office: (206) 388-4772
> Cell: (253) 686-5518
> william.king at quentustech.com
>
> On 03/26/2013 02:52 AM, Peter P GMX 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
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
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> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
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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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http://www.freeswitchsolutions.com




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