This feature allows the you to intrude on another user's call and to talk to them without being heard by the other call parties to which they can still talk. For example: User A is on a call with user B. When user C intrudes on user A, they can hear users A and B but can only be heard by user A.
Intrusion features are controlled by the Can Intrude setting of the user intruding and the Cannot Be Intruded setting of user being intruded on. By default, no users can intrude and all users cannot be intruded.
Intrusion features uses system conference resources during the call. If insufficient conference resource are available, the feature cannot be used.
Listening to a call without the other parties being aware is subject to local regulations. You must ensure that you have complied with the local regulations. Failure to do so can result in penalties.
The system support a range of other call intrusion methods in addition to this feature.
