[Asterisk-Users] Asterisk IAX over VSAT satellite.

[Martin Pycko]

What bandwidth do you have available for you connection (upsteram and
downstream)? Do you have any CIR for VSAT connection ?

Martin

On Thu, 29 May 2003, Jim Ockers wrote:

> Hi all,
>
> For some reason VSAT or Satellite Internet services are not mentioned
> (or searchable) in this list's archives.  I thought I'd let you know
> that I tested Asterisk using IAX (not IAX2) to make a phone call from
> an analog phone hooked up to an Asterisk system behind a Linksys router
> connected to a Gilat VSAT satmodem, and it worked.
>
> The "other end" (gateway) is a P200MMX with a X100P FXO card.  I have
> bi-directional calling set up so that the VSAT-phone can make outbound
> calls using the X100P in the gateway, and if the X100P gets a ring it
> answers and transfers the call to the analog phone on the other side
> of the VSAT.
>
> There is about a 1-2 second propagation delay in voice from the VSAT
> phone, as expected.  The echo is not bad at all, and the voice quality
> is quite good.
>
> I don't think the VSAT network was very busy so I don't know how well
> this will work if the available bandwidth is less.  We are not using the
> G.729 codec - just gsm.  I have tos=reliable set in iax.conf.  I didn't
> get disconnected during my test calls, but they weren't very long in
> duration.
>
> I haven't tried a fax but maybe I will.
>
> Anyway congratulations Mark et al on your fine work making such a robust
> VoIP system.  Thanks!
>
> --
> Jim Ockers, P.Eng. (ockers at ockers.net)
> Contact info: please see http://www.ockers.net/
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