BS5 for the connection to OpenScape Business Cordless
For OpenScape Business B-channels for BS5 do not need to be licensed. User licenses are required per DECT handsets.
Only one connection via UP0/E is allowed with a direct connection. Max. 4 B-channels per port (UP0/E, means max. 12 per BS5) with connection via SLC16N / SLCN