VoIP and Asterisk

Kenneth E. Lussier klussier at comcast.net
Wed Sep 29 17:36:00 EDT 2004


On Wed, 2004-09-29 at 17:17 -0400, Bruce Dawson wrote:
> On Wed, 2004-09-29 at 17:05, Kenneth E. Lussier wrote:
> > If you want to keep the 32 analog phones, then there could be a problem,
> > as you would need 32 FXS ports (8 cards x 4 ports each), and I don't
> > know too many systems that have 9 or 10 PCI slots. However, chances are,
> > the phones that you have are not analog phones. They are most likely
> > digital, and would require an ATA.
> 
> Ummm. I thought an ATA was an analog<->digital interface!

Yes, that is what an ATA is. There are a few types. The most common has
FXS on one side and ethernet on the other. Some are digital on one side
and analog on the other (i.e. plug a Meridian or a Polycom into an
analog POTS line). There are various configurations of each. If the
phones are digital phones, as many are, then you would need to convert
them to analog to plug into an FXS card.




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