The fax LPP has its own release number and each release only runs on certain operating system versions.
- i Facsimile for i
- IBM Facsimile Support for iSeries
- Facsimile Support/400
- 5798TBY for R440 and R450 operating systems.
- IBM Software Technical Document number 15235626 titled "Upgrading and Installing Facsimile Support"
- IBM Facsimile Support for IBM i "The latest release of IBM Facsimile Support for i 5798FAX V5R7M0 is supported on i 6.1 and i 7.1."
- 5798FAX vs V6R1 posting at MIDRANGE-L
- IBM Software Technical Document 322445075 titled PTFs for Facsimile Support for iSeries (FAX/400) 
- Enhanced applications extend the vision of IBM i5/OS V6R1 IBM United States Software Announcement 208-017, January 29, 2008