Yealink CP920 User Guide541. Select History or navigate to Menu > History.2. Select the desired list.3. Highlight the desired entry, and select Option > Add to Blacklist.4. Edit the contact information.5. Select Save.Deleting History RecordsYou can delete one or all call records from the call history list.TopicsDeleting a Call RecordDeleting All Call RecordsDeleting a Call RecordYou can delete any call record from the call history list.Procedure1. Tap History or navigate to Menu > History.2. Select the desired list.3. Highlight the desired entry, and select Delete.Deleting All Call RecordsYou can delete all call records from the call history list.Procedure1. Tap History or navigate to Menu > History.2. Select the desired list.3. Select Option > Delete All.The phone prompts you whether to delete all the records.4. Select OK.Disabling History RecordIf you disable history record, you cannot save any call log on the phone.Procedure1. Navigate to Menu > Features > History Settings.2. Select Disabled from the History Record field.3. Select Save.
