Auerswald COMmander 6000 Advanced Information page 419

Settings – Hardware
Port configuration
Level adaption
In exceptional cases it may be necessary to switch level adaption on (if a
very long connection line between the NTPM and the PBX causes
problems, e. g. interruption of calls).
first usable B channel
Select the first B channel that was provided by your network provider or that
was provided as the first one for the PBX due to restricted conditions.
incoming channels
Select the number or B channels that are available for incoming calls.
outgoing channels
Select the number of B channels which are available for outgoing calls.
incoming/outgoing channels
Select the number of B channels which are available in both directions.
419
COMmander 6000/R/RX - Firmware V7.0D - Advanced Information V19 04/2018