GuestMaster EPOS Protocol
From this page you can download the GuestMaster Protocol for EPOS terminal integration. This document sets out the open standard for the GuestMaster Protocol for EPOS systems. This protocol is non proprietary, and may be freely used by anyone, however, any changes to this protocol standard need to be referred back to GuestMaster International Ltd so that a new revision can be issued. Version 2.0.0 for GuestMaster V9.0 and above.
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