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Ericsson Dialog 4187 - not working

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Damir-7

Technical User
Feb 27, 2021
1
HR
Hello,
from recently I have this phone but it is not working.
When I connect line nothing hapened.
When I switch bottom side switch to MW+ I get bussy signal on other phone and massage waiting led lighting.
In other position of the switch there is no led light and line on the other phone is free but nothing on this phone, display is empty ant there is no sound in the handset.
This is my first contact with this phone, it looks fine and have some good features.
Can it be connected to the home line without switchboard or there should be aditional equipment which will drive this phone?
If just phone is enough how can I make it work or test it?

Any advice is appreciated.
 
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