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Strange issue with 1608 phone

Strange issue with 1608 phone

Strange issue with 1608 phone

(OP)
Hi all,

I had a strange issue with a phone 1608.
I had to factory reset the phone because it kept rebooting and I programmed everything new and it is working.
But when I login the ext and password, the screen goes blank and you don't see anything anymore on it.
I can make outgoing and receive calls both internal and external.
When dialing an internal ext, I see the user and ext#
And dialing out I see the pstn number

Is there a setting that makes the screen go blank, because I tried factory reset again, I see everything on screen, but when logging in, it goes blank and works.

Thank you in advance

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