Telekom DeutschlandLAN SIP-TRUNK / old pbx behind fusionpbx

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MrWeb

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Mar 8, 2021
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Hi @ all,

i'm new in fusionpbx and i have some questions at the beginning.

I want to replace an old isdn pbx with fusionpbx.
For that, i need to run both systems in parallel during the change.
At the moment the old isdn pbx is running with a zyxel gateway 100
before. The zyxel make the sip-trunk login and gives 4 isdn lines, with 2 channels each
to the old pbx. (so 8 calls in parallel max to the outside)
Now, i need, that fusionpx do the sip-trunk login, but i need an extension, where i can
login with the zyxel. And all incoming calls are also routed to this extension. So that
both can run in parallel.
Has someone a same setup (during the change) and can give me some tips/informations/configurations
to setup this in fusion pbx ?

Thanks for your help and sorry for my bad english.

Best regards,
MrWeb
 
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