Call Center Elite agents and supervisors can hear zip tone, VDN of Origin Announcements, and warning tones from Avaya Aura® MS instead of VAL boards and Communication Manager media gateways. You can use Avaya Aura® MS to play recorded announcements to customers. Call Center Elite supports a mix of Avaya Aura® MS, VAL boards, and Communication Manager media gateways to provide IP audio capabilities.