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Software base: “regular” AP, e.g. phase4 (https://github.com/phax/phase4-peppol-standalone-eb2b), Oxalis (https://github.com/OxalisCommunity/oxalis), Domibus (https://ec.europa.eu/digital-building-blocks/sites/display/DIGITAL/Domibus) or others
Needs to be configured with the “eB2B Test Certificate” for the AS4 layer
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