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<br>If I understood your question well,you can do this, <br>if your legacy PBX has a feature of DISA, that's enable you after entering the PBX to dial your desired extension,<br>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,<br>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.<br><br>Hope this helps. <br><br><hr id="stopSpelling">Date: Sat, 24 Oct 2009 11:25:51 +1100<br>From: pdhales@optusnet.com.au<br>To: asterisk-users@lists.digium.com<br>Subject: Re: [asterisk-users] interfacing asterisk with a legacy PBX<br><br>
On 24/10/09 00:59, Lyle Giese wrote:
<blockquote cite="mid:4AE1B6C9.5070500@lcrcomputer.net">
PATRICK KANGETHE wrote:
<blockquote cite="mid:444939.84523.qm@web32904.mail.mud.yahoo.com">
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<div>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?<br>
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?<br>
<br>
Thanks in advance,<br>
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</blockquote>
Are you planning to get rid of the legacy PBX completely? Or is
Asterisk going to be a second PBX?<br>
<br>
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.<br>
<br>
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.<br>
<br>
Lyle Giese<br>
LCR Computer Services, Inc.<br>
</blockquote>
<br>
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)<br>
<br>
PaulH<br>
<br> <br /><hr />Windows Live: Keep your friends up to date <a href='http://www.microsoft.com/middleeast/windows/windowslive/see-it-in-action/social-network-basics.aspx?ocid=PID23461::T:WLMTAGL:ON:WL:en-xm:SI_SB_1:092010' target='_new'>with what you do online.</a></body>
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