PC Engines APU platform is a good choice:
http://pcengines.ch/apu.htm

Here's my Debian installer for it:
https://github.com/ssinyagin/pcengines-apu-debian-cd

Here are some of my blog posts about the device:
https://txlab.wordpress.com/tag/pcengines/

I'm not affiliated with PC Engines, but their office is around the
corner, so I get the board with next-day delivery :-)

On Tue, Mar 3, 2015 at 4:38 AM, Naveen Khanna
<naveen.khanna.bm@gmail.com> wrote:
> Hi,
>
> Can someone suggest a low cost standard single board computer, around $ 50,
> to run 25 concurrent sessions & 100 registrations of SIP clients with
> limited applications of Freeswitch.
>
>
> Regards,
>
> Naveen Khanna
>

> _________________________________________________________________________
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>
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_________________________________________________________________________
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http://www.freeswitchsolutions.com

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