[Asterisk-Users] Parallel T1 cable?

el Flynn el_flynn at lanvik-icu.com
Wed Aug 25 01:46:51 MST 2004


Hi,

I was asked about how * could provide redundancy (on the actual PBX 
Server portion, not the incoming lines), and my immediate thoughts were:

Incoming
========
Basically somehow I'd split the incoming T1 line into two parallel lines 
and connect them to two * servers.

            -----> * Server 1
           |
--- T1 ---
           |
            -----> * Server 2

Internal
========
I've got a couple of analog phones that need to be hooked up to *, so 
somehow I'd split each analog line into two parallel lines feeding into 
the two * servers.

* Server 1 <-----
                  |
                   --- Analog phones
                  |
* Server 2 <-----


------------------

Server #2 would remain in standby mode, or running some sort of 
heartbeat detect mechanism to determine if server #1 was still alive. 
When #2 detects that #1 is down, #2 would start its * process.

Both servers would be identically configured in terms of 
extensions.conf, sip.conf etc.

My concern is not whether I can create the two * servers -- but rather 
whether this setup would work based on the splitting and creation of 
parallel T1 and analog lines.

Does anyone have further insight?

Cheers,
Flynn





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