Mysterious extensions registering in new install

[drumow]

Regarding the post https://www.3cx.com/community/threads/mysterious-extensions-registering-in-new-install.47023/

• SIP Server/Call Manager ID: 4101
  Extension MakeCall is registered, contact: sip:[email protected]:5483;rinstance=770e680651987592, received from: 127.0.0.1
• 22/11/2019 12:43:39
  SIP Server/Call Manager ID: 4101
  Extension QCB is registered, contact: sip:[email protected]:5483;rinstance=243df7925bc5aa46, received from: 127.0.0.1
• 22/11/2019 12:41:53
  SIP Server/Call Manager ID: 4101
  Extension QCB is unregistered, removed contact: sip:[email protected]:5483;rinstance=243df7925bc5aa46, received from: 127.0.0.1
• 22/11/2019 12:41:53
  SIP Server/Call Manager ID: 4101
  Extension MakeCall is unregistered, removed contact: sip:[email protected]:5483;rinstance=770e680651987592, received from: 127.0.0.1

I get hundred a day is this normal

 

[StefanW]

yes, they are all normal and all are needed.

QCB = Queue Call Back
MakeCall = Legacy Dialer for CTI of 3CXPhone for Windows