I am in the process of setting up several VG224's for fax machines that will route their calls via CallManager 7.0. I see that the VG224 will support either MGCP or SCCP. I have always configured my voice gateways for MGCP, but I'm not sure if there was any advantage to running SCCP on the VG224's? Documentation seems to be very vague for the VG224 in this regard. Which is a better bet MGCP or SCCP?