Re: [TCLUG:21734] VoIP

[Kent Schumacher <kent@structural-wood.com>]

If you do go into business, I might be a customer.  I too have been 
holding out for a linux based PBX - an NT based one seems utterly nuts.

Kent



Ben Kochie wrote:
> 
> yes.. cisco phones are cool.. they run on the "H.323" protocol.. wich is
> one of the better VoIP protocols.. each phone DHCP, or static assigns an
> IP address, it contains an id number, and a server IP address (as far as i
> know)  I really don't know much about the security of the whole
> thing.. which is why i'm trying to get my hands on some equip (talking to
> a cisco vendor currently)
> nope.. it's all open standard.. from what I can tell.. you could buy
> nortel call manager, and cisco phones, and they would all play nicely.  or
> atleast basic stuff would work fine.. that's what the goal of VoIP
> was.. make it non-proprietary.  the hardware involved is a mostly standard
> PC, with addon boards to do things like T1's pots lines, and other such
> telco-specific hardware.  oh.. and an ethernet card to connect the IP
> based phones.. the cisco phones plug into ethernet, and have a
> pass-through port for a PC, (10/100)
> and even better.. is no reverse engenieering is necessary.. all the
> protocols that are used are open, and there are even GPL implamentations
> of most of it.. but the problem i'm running into is this.. there are no
> good all-in-one soltions in the GPL community.. each one is doing their
> own little bit.. one is doing the BPX core, one is doing the H.323 core,
> another is doing some other things.. but no one does voicemail, T1 routing
> (for incoming voice T's) and other "normal" phone system features.  but
> the NT based call managers are complete in functionality.  luckly i'm not
> in desperate need of a system right now.. so i have time (haha.. not
> really) to play with this stuff.  maybe in a year.. i'll have the software
> together in a nice package, and I can go into business for myself
> installing linux based phone systems..
> 
> places to read:
> http://www.asteriskpbx.com/
> http://www.linuxtelephony.org
> http://www.vovida.com/ (they don't do PBX anymore :(
> 
> Thank You,
>         Ben Kochie (ben@nerp.net)
> 
> *-----------------------*  [ - * - * - * - * - * - * - * - ]
> | Unix/Linux Consulting |  [ Haiku Error Message:          ]
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> 
>  "Unix is user friendly, Its just picky about its friends."
> 
> On Wed, 27 Sep 2000, Carl Wilhelm Soderstrom wrote:
> 
> > > hey.. is there anyone out there doing anything with Voice over IP?  I am
> > > researching VoIP based PBX's right now.. to replace our existing
> > > proprietary PBX system (fujitsu series 3)  I have found 2 systems, a
> > > nortel, and a cisco, both are based on embeded windows NT.. (bleh)  i have
> > > found a bunch of stuff on linuxtelephony.org..  but it's all really
> > > beta.. and there are no VAR's for it. :(
> >
> > have your researches found anything about those Cisco IP phones? they seem
> > like a really cool idea, especially in combination with a freenix telephony
> > server.
> > how well will they work on the same network as your computers? any
> > security issues with them? I'm sure they're designed to be served by a Sun
> > box or something; but how easy would it be to reverse engineer the protocol
> > and make a free server?
> >
> > why ever would you put a PBX on embedded NT? if you were deteremined to go
> > with a non-free OS, wouldn't you at least go QNX or VxWorks or SCO or
> > something that wasn't designed to be rebooted once a day?
> >
> > Carl Soderstrom
> > --
> > Network Engineer
> > Real-Time Enterprises
> > (952) 943-8700
> >
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-- 
Kent Schumacher

Structural Wood Corporation
4000 Labore Rd.
St. Paul, MN 55110

Phone: (651) 426-8111
Fax: (651) 426-6859
e-mail: kent@structural-wood.com