According to an embodiment, an attendant terminal for retail stores operating multiple point-of-sale systems includes an input unit configured to receive a user designation of a first terminal type or a second terminal type, a network interface configured to connect to a transaction server tracking a status of one or more sales transactions being performed by customers on a point-of-sale service terminal of the first terminal type or a point-of-sale service terminal of the second terminal type, and a processor. The processor is configured to filter sales transaction status information based on the user designation of the first terminal type or the second terminal type, and cause a display device to display the sales transaction status information as filtered based on the user designation.