We are using the TDM400P and the call quality for us has been excellent.  We have one installation using zaptel revision 39 from SVN because in revision 38 the developers fixed a software interrupt issue that was causing some clicking and popping.  We just added an additional installation with dual TDM400Ps using the zaptel driver from ports (revision 52, I think) and also have had excellent call quality.  You might have to do a good bit of fiddling with the gain and echo cancellation setting but in the end it works as expected.

 

My home asterisk box is a FreeBSD 6.1 Celeron 700 with 512Mb ram and it works just fine.  I have no idea the limits of this setup since we really only have 1-2 people on the phone at a time.

 

Tj Ninneman

 


From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Miles Peterson
Sent: Wednesday, August 02, 2006 7:02 PM
To: [email protected]
Subject: [Asterisk-bsd] Hardware and version questions...

 

Well, I managed to get a spare Cisco phone for next to nothing, so I'm looking to set it up at home to mess around with.  I don't have a PRI or anything like that, so I'm planning on setting Asterisk up with an FXO card of some sort.

Based on parts I have kicking around already, and what I can get easily, I was looking at this setup:
- Celeron 600 w/ 256mb RAM
- FreeBSD 6.1-STABLE
- Digium TDM 400P with 1 FXO module
- Asterisk 1.2.10
- Latest zaptel-bsd from svn

I've heard issues with line noise and clicking and other assorted things like that.  I see that support for the TDM400P cards is beta as well.

This might be one of those 'your mileage may vary' scenarios, but I'd like to hear what people have to say about this kind of a setup...

Thanks!

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