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Caller ID open source PBX

Caller ID open source PBX

Caller ID open source PBX

(OP)
Hi Guys,

I have a problem with getting the caller ID to display on screen when someone calls. I have configured a small PBX (Issabel) with a Grandstream GXW4104 everything works fine but the only problem I have is that the caller ID is not passed through to the phone.
Basically this is what I did as explained here https://www.elastix.org/wp-content/uploads/2016/01....
Now the only thing is when somebody calls you see the trunk number instead of the incoming number. Can somebody help me, or give me some pointers how to display the number on the phone.

Thank you.

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