GE 800 Licence for upgrade G8-IP-32 30 subscribers to feature level C

Licences G8-IP-32:
-L8-IP-32-32B: License upgrade to 64 subscribers per Plug-In Server. From the 64 subscribers the first two have feature level D (control desk function); the other 62 subscribers have feature level B (2D/62B) 
-L8-IP-32-32C: License upgrade to feature level C for 30 subscribers (with one license) or 62 subscribers (with two licenses) upgraded from feature level B to feature level C 
-L8-IP-32-2D: License upgrade to feature level D. The third and fourth subscribers are upgraded to feature level D.