... quantity will be recorded in the host, the waiter can delete the calling number by the button on the screen ... area,including built in audio sound (chime) with optional external speaker. Can be either wall,ceiling, or desktop mounted. 3.The ... T/T .Western union .Paypal.EscrowWarranty:12 MonthsFAQApplicationsWireless calling system can be used in restaurants, hotels, hospitals, tea house, coffee ...