Instruction How to integrate ISPsystem BILLmanager with Plesk Onyx/Obsidian 2019-08-15

BILLmanager License is now €25 /month, since July 2021, and, apparently, there are no Free BILLmanager Licenses anymore

• Kimsufi (Powered by OVH) KS-4 Intel Atom N2800 2c/4t 1,86GHz 4Go DDR3 1066 MHz SoftRaid 2x2To 100 Mbps /128 13,99 € HT
  (soit 16,79 € TTC)
  
• Kimsufi (Powered by OVH) KS-11 Intel Xeon W3520 4c/8t 2,66GHz 16Go DDR3 ECC 1333 MHz SoftRaid 2x2To 100 Mbps /128 19,99 € HT
  (soit 23,99 € TTC)
  
• Plesk Web Pro Edition $15 / month
• ISPsystem BILLmanager €12 / month
• P.S. Installation Fees of 9,99 € for each Kimsufi server may apply