AN administrator needs to help remote employee make a free call to an international destination. The administrator calls the employee, then conferences in the international party. The administrator…

The "Advanced Ad Hoc Conference" parameter relates to the features available within an ad hoc conference but does not control the termination behavior when the controller leaves.

There is no standard service parameter value "Do not allow outside parties" for "Drop Ad Hoc Conference" that directly addresses the scenario of a conference continuing after the controller leaves.

The "Drop Ad Hoc Conference" service parameter, when set to "When Conference Controller leaves" in Cisco UCM, ensures that an ad hoc conference call is automatically terminated when the call originator (the administrator in this case) disconnects from the conference. This prevents the remaining participants, including the international party and employee, from continuing the call at the company's expense.

Setting "Advanced Ad Hoc Conference" to "2" is not a valid or standard option for this boolean service parameter, which typically accepts TRUE or FALSE.