| 摘要 |
<p>An interface module is provided for a sales processing system that facilitates the integration of a payment system and external systems with the sales processing system. In one implementation, the interface module includes a first interface configured to support a first protocol for communication with a sales processing module of the sales processing system, a second interface configured to support a second protocol for communication with a payment system, and a third interface configured to support a third protocol for communication with a transaction system for external services. The interface module further includes a controller operable to control routing of messages between the first, second and third interfaces, and reformatting of the messages in accordance with the first, second and third protocols, respectively.</p> |
