Which option correctly describes a scenario that uses Intelligent Session Control?

a call from the office phone of one enterprise user to the remote destination of another enterprise user

a call from an outside $($PSTN$)$ user to the PSTN number of an enterprise user

a call from a remote destination to an outside $($PSTN$)$ user

a call from a remote destination to the PSTN number of an enterprise user

a call from the office phone of one enterprise user to the office phone of another enterprise user

a call from a remote destination of one enterprise user to the remote destination of another enterprise user