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Unified Point of Service and Web Services POS
UnifiedPOS is an architectural specification for application interfaces to point-of-service devices that are used in a retail environment. It defines the structure of application interfaces to retail devices such as scanners, printers and scales, and describes the range of functionality in these devices that would typically be needed in a range of POS software solutions.
This standard helps ensure that when device drivers are designed according to the specification, devices can be changed or added to the mix at the point of sale (POS) with a minimum of programming work to make them function properly, regardless of operating system. Whether you have one checkout or 1000, UnifiedPOS makes it possible for you to select the peripherals you want at the POS, not just the ones designed to work with your software.
The appendix Web Services POS (WS-POS) is a kind of technical instruction manual, specific to retail point of sale, for connecting devices to each other over networks using web services. It addresses many of the potential problems of communicating via network infrastructure, such as providing reliable connections and recovery processes from unplanned outages or “crashes.” So a cash register that needs a printer can connect to the nearest available printer rather than to devices directly connected to it or identified specifically as a device it can use.
The UnifiedPOS subcommittee maintains and develops UnifiedPOS and WS-POS. Both UnifiedPOS and WS-POS are in the public domain.
Available for Download
UnifiedPOS and WS-POS downloads are free for members and non-members. Check each page for more details:
- UnifiedPOS version 1.14.1 – PDF
- WS-POS version 1.2.1 (English)
- WS-POS version 1.2.1 (Japanese)
- WS-POS version 1.2.1 Reference Implementation – C#
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