If I understood your question well,you can do this,
if your legacy PBX has a feature of DISA, that's enable you after entering the
PBX to dial your desired extension,
you can setup each FXS port as an extension, then create a ring group
containing group of extensions (with 1 digit for example) to ring with a hunt
strategy,
and if you want to call a one of 23 leagcy extensions, you can dial the Ring
Group extension and then while you are on the DISA of the legacy PBX you can
dial the desired extension.
Hope this helps.
Date: Sat, 24 Oct 2009 11:25:51 +1100
From: [email protected]
To: [email protected]
Subject: Re: [asterisk-users] interfacing asterisk with a legacy PBX
On 24/10/09 00:59, Lyle Giese wrote:
PATRICK KANGETHE wrote:
I want to interface asterisk with a legacy pbx that has around
23 extensions through my 8 fxs card, how do i work around this?
Hint: I have already terminated 8 extensions from the legacy PBX, i was
thinking whether i can peer the extensions from the PBX i.e like 5
extensions be peered to one extension connecting to the fxs? How can i
do this?
Thanks in advance,
Are you planning to get rid of the legacy PBX completely? Or is
Asterisk going to be a second PBX?
I am going to assume you are replacing the legacy PBX. You can setup
analog extensions so that you have multiple phones on each FXS
channel. But they will be like a party line. If you put 6 phones on
one FXS, all 6 ring at the same time, only one person can use that
extension at a time.
However you can add SIP phones to Asterisk and each can have their own
extension instead. It just requires cat 5 cable back to a switch for
each phone.
Lyle Giese
LCR Computer Services, Inc.
Just to add my 5 cents - connecting too many phones to an FXS port can
cause problems. The term is REN - ring equivalent number, and it's used
to describe the maximum phones to attach to an FSX port (from memory)
PaulH
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