vTiger is popular open source CRM solution and VICIDial is the best open source call center software. vTiger VICIDial integration will let your agents and sales executives use both systems within a single window. That means call features of VICIDial will be available within the vTiger CRM and lead information from vTiger will be available within the VICIDial call center software.
This will increase productivity of agents, reduce expenses and increase ROI significantly. For more details, please visit http://www.elisiontec.com/vicidial-vtiger-crm-integration/