Sunday, March 06, 2005

Kerry Garrison - Building your own PBX

What would it mean to you to have your own full-featured PBX system at your home or small office? What would it mean to you if you could build an entire PBX system (minus the phones) on hardware you probably have laying around, AND that it can probably also save you money on your phone bill? Sounds too hard to believe doesn't it, but using old hardware and some open source software, you really can build a commercial quality phone system that would normally cost thousands of dollars.

For the complete article, go here


Blogger roland said...

This is great. We are currently looking for a new PBX system.
Will it work with an old AT&T PBX

9:57 PM  
Blogger Kerry said...

Kerry, this is completely off topic, but were you involved in some capacity with the development of the game clay fighter for SNES? I seem to remember the name coming up in the credits listing, and being that I try and keep an active tab on male Kerry's (you know they are few and far between), when I stumbled across your blog (thanks slashdot), some bells went off.

Kerry Creeron

11:17 PM  
Blogger KerryG said...

It is more of a replacement for your existing PBX although I have heard of people going from an existing PBX into an Asterisk system by feeding it an extension. I don't know how to do that myself.

That was me! Us Kerry's have to stick together. The worst is people asking "how do you spell that". One reason for John Kerry to have one would have been for us to say "Like the President", now i just say "Like the guy who lost"

9:03 AM  
Blogger Ted said...

Any idea what kind of bandwidth is needed to support about 25 people?

2:21 PM  
Blogger KerryG said...

The key is figuring out how many CONCURRENT phone calls are taking place at any one time. From there, you can estimate 80k for each user.

2:30 PM  
Blogger Ted said...

I have a co-worker here that is selling the boss on this being cheaper and just as good as a standard phone system. If I were to try and switch to something like this, what kinds of things would I be looking at? Buy new phones (we currently have nec digital handsets)? Rewire for the phones (do they need cat 5 or is the standard copper good enough)? My network runs on Cabletron SmartSwitch 6000 w/ Fast Ethernet cards. Do I just add cards for ports for the phones (RJ45 or RJ11)? Is this a reasonable thing to be thinking about? If it is, if you could point me to a couple places to do my homework I would greatly appreciate it. If it isn't then I would still like to look into this for the home.

Thanks for your time.

2:58 PM  
Blogger KerryG said... has more information. Basically the phones use the same network wiring as your computers and many phones have a passthru port so you go from the wall to the phone, and then the phone to your computer so you dont have to run any additional lines. VOIP phones range from $70 - $300 depending on features.

7:59 AM  

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