5.36.2.4. Limiting Values 
The following limiting values must be specifically observed in connection
with VNR:
- No more than 16 DPLN groups (AMO WABE, parameter DPLN),
- No more than 16 attendant console groups (AMO VFGR, parameter ATNDGR),
- No more than 254 destination numbers (AMO WABE, parameter DESTNO), (AMO DIMSU, parameter NWNUNSUB)