https://business.forums.bt.com/t5/Billing/Unknown-telephone-number-in-itemised-call-list-on-monthly/m-p/95611#M521 <P>For the past few months my monthly invoice itemised usage list shows an out-of-service number that I do not recognise and which I have not called (32 this month). I am not charged for these 'calls' as my contract includes free calls, however I am concerned about how this information is being generated.</P><P>I have spoken to BT on two occasions now but the problem still persists. I have a fibre connection which provides an internet connection and a phone line with two digital handsets. There are no other devices connected to the system, eg. security system or card machine, etc.</P><P>Just wondered if anyone else has had a similar experience?</P> Thu, 16 Oct 2025 11:27:06 GMT Dodger 2025-10-16T11:27:06Z https://business.forums.bt.com/t5/Billing/Unknown-telephone-number-in-itemised-call-list-on-monthly/m-p/95611#M521 <P>For the past few months my monthly invoice itemised usage list shows an out-of-service number that I do not recognise and which I have not called (32 this month). I am not charged for these 'calls' as my contract includes free calls, however I am concerned about how this information is being generated.</P><P>I have spoken to BT on two occasions now but the problem still persists. I have a fibre connection which provides an internet connection and a phone line with two digital handsets. There are no other devices connected to the system, eg. security system or card machine, etc.</P><P>Just wondered if anyone else has had a similar experience?</P> Thu, 16 Oct 2025 11:27:06 GMT https://business.forums.bt.com/t5/Billing/Unknown-telephone-number-in-itemised-call-list-on-monthly/m-p/95611#M521 Dodger 2025-10-16T11:27:06Z