RFI-CCMS-ROOP-26-00004 Provide a cloud-based call management solution for an unclassified, telecommunications conferencing system with a minimum 300-caller capacity – with expansion abilities when nee... RFI-CCMS-ROOP-26-00004 Provide a cloud-based call management solution for an unclassified, telecommunications conferencing system with a minimum 300-caller capacity – with expansion abilities when needed - that leverages/integrates with existing DHS government furnished unclassified telecommunications conferencing equipment.