Add PSTN option for "meetings" instead of VoIP only

It would be great if there was a dial-in / PSTN option for "Meeting" instead of VoIP only.  Our customers have not all yet adopted VoIP and as a result we have to continue using both GoToMeeting and Control.  Even if there was a usage fee or charge, we would happily increase our licenses - at least 3-fold - if we had dial-in options with Control and could eliminate having 2 vendors.