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Calls being blocked

Nokia Lumia 640 blocks many calls and sends them to voicemail even when the phine is not busy? Can anyone tell me how to disable this function?

Posts: 84,040
Topics: 580
Solutions: 4,246
Registered: ‎04-01-2009

Re: Calls being blocked

Posts: 115,706
Topics: 571
Solutions: 15,885
Registered: ‎04-04-2012

Re: Calls being blocked

Check your blocked call list.
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.

Currently using:
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone 8+ (EE)
Posts: 0

Re: Calls being blocked

Hi @Anonymous have you tried any of the advice above?