Rick DeNatale wrote:
On 4/3/06, Cristobal Palmer <[EMAIL PROTECTED]> wrote:
You can get one analog interface card from digium that has four ports:
http://www.digium.com/en/wheretobuy/digiumdirect/productview.php?category_id=17&product_code=RTDM11B
The kit I link to above is $241 and includes the card, an FXS module
and an FXO module (among other things). Additional FXO cards would run
you $85 each.
If I want' my 12 internal lines with POTS phones, I need something
like 3 TDM40Bs at $381 each, PLUS an FXO interface. That's about
$1200 just for the interfaces if I'm doing the math correctly.
The TDM40B works out to be $95.25 per FXS.
What were you referring to that runs $100 each?
The IAXy S101I it's a Digium FXS-ethernet adapter.
http://www.digium.com/en/products/hardware/adapters.php
You could use the card in a PC you already have or build a low-end PC
from spare parts or new parts for < $300.
Why do you have to lose the intercom? What kind of wiring is that on?
It's a pbx system function not a separate intercom, the Panasonic PBX
can page either a specific extension or all extensions, turning on the
speaker phone without manual intervention.
--
Rick DeNatale
Visit the Project Mercury Wiki Site
http://www.mercuryspacecraft.com/
All these costs add up to a negative picture because you're trying too
hard to keep analog handsets in the picture. Switch out the analog
handsets and you can keep some of the features you have now, paging /
intercom, station buttons (ala one-button dial) for example. You will
loose the station indicators though, as asterisk doesn't really support
that at the moment, to my knowledge. I hope that's something that gets
fixed sooner than later.
Consider replacing each extension with a Budgetone phone at ~$60 per
phone(1), and you're looking at $720 for handsets, then $15 or so for an
X100P-style card(2), and you're at $735 for an open source replacement
with all new handsets. You can mix it up with one of the Asterisk Dev
Kits (3) which gets you one FXS and one FXO port on a well-supported
reliable hardware platform. This will get you a moderately better
(read: very nice) FXO interface, and a very solid FXS interface for
using a cordless phone (or even your whole panasonic system), as well as
easy expandability for adding additional FXO/S interfaces in the future
if you need them. Cost that way drops one phone ($60), the modem ($15)
and adds the $241 kit, for a net change of +$166, bringing the total to
$901 (plus shipping and any applicable taxes). Of course, if you decide
you need fewer extensions, you can easily drop the price some.
That being said, there are interesting ways to come up with good
handsets for cheap on places like Ebay that are slightly used / may need
repair / etc which can keep costs down even further.
Let me know how it works out, or if you're considering interesting
alternative solutions,
Aaron S. Joyner
1 -
http://froogle.google.com/froogle_cluster?q=budgetone+101&pid=2312082119463396406&oid=7646128263905667194&btnG=Search+Froogle&scoring=mrd
2 - http://www.voip-info.org/tiki-pagehistory.php?page=X100P+clone&diff2=15
3 -
http://www.digium.com/en/wheretobuy/digiumdirect/productview.php?category_id=17&product_code=RTDM11B
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