Caller id popup

Yes i tried that
Still not working.
I wil buy modem and see if its good.
Thenks.

fyi in some countries you need to enable CID feature for your phone line too.

When I dial the telephone line I hav Caller ID
On the phone but not on the computer

OK so trying with a different modem will be a good idea.

there is something error in Sampa POS when we enter the cti comit device com port in local setting

have you checked below: