[asterisk-users] Moving from DSL to T1

Steve Underwood steveu at coppice.org
Mon Sep 13 19:33:41 CDT 2010


  On 09/14/2010 04:23 AM, Joel Maslak wrote:
> On Mon, Sep 13, 2010 at 1:12 PM, Hans Witvliet <hwit at a-domani.nl 
> <mailto:hwit at a-domani.nl>> wrote:
>
>     No these are also geo-stationary (same altitude, so same delay),
>     commercial and military satelites,
>
>
> Yes, exactly.  Geostationary satellites have been used for telephone 
> for ages (and are still used for remote areas - they have advantages 
> over the disintegrating constellations such as iridium - namely 
> predictability).

When geostationary satellites were the normal thing for intercontinental 
calls, the call was normally satellite one way and cable the other. 
Satellite both ways would have been cheaper, but the total round trip 
latency was go bad, it was hard to hold a proper conversation.
>
> As for consumer (home) grade satellite internet service, it's pretty 
> low quality.  But if you have money, you can have just as good of 
> service as the telcos enjoy for TDM voice over them (even with VoIP).  
> I know several organizations using them (but they are paying more than 
> the $100 or so a month as is typical for a home user - a lot more).

Steve




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