Hi there!
Is there any testing done with the FXO port of the Grandstream HT-503?
I registered the FXO port with a normal extention and telling the HT-503 to Unconditional Call Forward to a caller group.
Currently on the devices in the caller group, the Extention ID of the FXO is seen, but I would love to see the Caller ID of the one, calling my PSTN/FXO...
Any ideas?
PSTN = NL KPN with CALLER ID.
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