"unknown" & "private" call drop

[optionderek]

Hi All,
Did anyone know how to setup the system can receive all the call including "unknown" & "private" call. We had a problem with customer call in and when we pick the handset, the call will drop or sometimes even the phone will not ring if there is a "hide caller ID" call coming in. Please help.
Thank you.

 

[leejor]

You might want to post a 3CX log showing a failed or dropped call.