User's Manual Part 2
Firmware Version 1.0.0.1  UCM6200 Series IP PBX User Manual  Page 252 of 320
4.  Enable or disable “Require Confirmation” option. If enabled, the confirmation of the invited monitor’s 
extension is required before the active call can be monitored. This option can be used to avoid adding 
participant who has auto-answer configured or call forwarded to voicemail. 
5.  Click on “Add”. An INVITE will be sent to the monitor’s extension. The monitor can answer the call and 
start monitoring. If “Require Confirmation” is enabled, the user will be asked to confirm to monitor the 
call. 
Another way to monitor active calls is to dial the corresponding feature codes from an extension. Please 
refer to [Table 75: UCM6200 Feature Codes] and [ENABLE SPY] section for instructions. 










