[asterisk-users] Interconnect Asterisk with another PBX

[Ryan Wagoner]

Either use SIP or PRIs to do the integration. FXO and FXS interfaces
are a single port, where as a PRI will provide you with 23 channels.
Use QSIG signaling over the PRI so Caller ID names will show between
the systems.

I just integrated a Toshiba CIX with Asterisk due to the cost for SIP
licensing and the reliability of the Toshiba VOIP Phones. They were
having hardware failures every few months. I went with Sangoma PRI
cards using QSIG.

Everything has been working great and I have rolled out 12 Snom 370
phones to work with the 150 Toshiba Digital phones. To the end users
the experience is seamless as they can 4 digit dial any extension and
the call will be routed to the correct system. This does take a bit of
duplicate setup on the two systems, but was worth the hassle for the
end result.

Ryan

On Mon, Nov 23, 2009 at 6:17 AM, Alex Balashov
<abalashov at evaristesys.com> wrote:
> PRI is likely the simplest and most reliable.
>
> Xavier Mesquida wrote:
>
>>
>> Hi, I want to interconnect a Alcatel OmniPCX PBX with SIP support with
>> an Asterisk PBX. My intention is Alcatel PBX manage all external calls
>> and analog extensions and Asterisk manage all the SIP users (because I
>> have to pay for every SIP license in Alcatel PBX and I can’t edit
>> configuration or password in that PBX)
>>
>> What’s the best way to interconnect the 2 PBX? With SIP, with a FXO
>> interface or FXS? How can I do that? Thanks
>>
>>
>>
>>
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>>
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>
> --
> Alex Balashov - Principal
> Evariste Systems
> Web     : http://www.evaristesys.com/
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