RightFax Developer’s Toolkit - OpenText RightFax Fax Server
https://rightitfax.com/rightfax-developers-toolkit/
RightFax XML Generator Guide. RightFax has several programmable interfaces, including a Native C/C++ API, a COM API, a RESTful Web Services API, the RightFax Integration Module (for File and Print Based Fax Sending), and the XML Generator (for advanced inbound file-based fax routing with metadata).
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