Kerry Garrison a écrit :
You will kick yourself up and down the block for not using IP phones in the
end. What are you going to spend? $65 for an ata and $25 for a phone? Spend
the extra money and get SNOM or Linksys phones. You then need to figure out
how to get 12 analog lines into Asterisk. Using 3 TDM400's is not really an
option as you will spend countless hours trying to figure out interrupt
issues. The next best option is 3 Mediatrix 1204 Gateways, this will set
you back about $1,800 and will be maxed out. The best option, sticking with
analog lines that is, would be a Rhino CB-24 FXO Channel Bank connected to a
Rhino R1T1 card in the asterisk server. This bundle will hit you for about
$2,000 but will only be half full.
True, but using IP Phones means you need to do proper QoS at the level
of your LAN or install a second LAN (which kinda defeats the purpose) as
otherwise a network card going bananas could kill your phone system. So
you need to get a proper QoS enabled switch, which is quite expensive too...
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