Connect Lync Server 2012 with Panasonic TDE100

I need to inter connect a Microsoft Lync server with a Panasonic TDE100 in order to use the Lync connectivity with my legacy Panasonic PBX.
On the TDE100 Side I have an E1 card and 3 -16extensions analog cards. I have 16 SIP extensions license and one Free Slot
What could be the configuration for this? I’m thinking in use an Asterisk/elastix Gateway.

Please your comments.

Thanks
rsanchezgar_2012Asked:
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pwindellCommented:
So I don't see how ISA/TMG has anything to do with this.

Lync and the TDE should be on the same LAN together so they access each other directly.  Even if they are in two different LAN Segments it is still only a "router hop" between them.  The ISA/TMG should not have anything to do with it,...it should not be involved at all.
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Clay FoxDirector of Business IntegrationCommented:
We have this currently.

We have a Quintum Gateway that does the mediation from PRI to SIP.

Then a second PRI card in the TDE.

So TDE routes via PRI to the Qunitum which then talks to the Lync Mediation Role.  Had this setup for over a year.
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rsanchezgar_2012Author Commented:
Thanks, actually i just use a asterisk with E1 card..
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