That is true - I've run into it on some of my polycoms.  After tweaking the 
phone's built-in echo cancellation I was 
able to eliminate it though.


Ty
-----Original Message-----
From: Dennis Webb [mailto:[EMAIL PROTECTED]
Sent: Monday, March 07, 2005 11:25 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: RE: [Asterisk-Users] Im a noob


A common issue you will have with FXO/PSTN lines with sip is echo.  Test 
thoroughly before you go live and have 20 people yelling, "I can hear myself 
talk".

On Fri, 2005-03-04 at 15:39, Ty Purcell wrote: 
Yes it does support a basic analog line (or many many lines...).  It also
supports T1's, ISDN, etc.  FXO would provide an analog connection to the phone 
company (your wall jack)
FXS would allow you to plug analog phones into Asterisk.

Phone <--->(FXS)<--->Asterisk<---->(FXO)<---->Phone Company

You could eliminate the FXS need if you run SIP or IAX IP handsets.  Then they 
would just connect to 
your network.  


Ty


-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Friday, March 04, 2005 3:34 PM
To: [email protected]
Subject: [Asterisk-Users] Im a noob


Im completly new to the whole PBX thing. I have a toshiba unit now and we're 
moving our office in the next few months. I want to use asterisk but would like 
to test it out first. Does it support a basic analog phone line like the one in 
my house? Is that FXS? Are there any FAQs I should read to learn more? Thanks 
for the reply!
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