User`s manual
38
Opposite mode of ISDN layer 1 – This parameter enables to switch ISDN Layer 1 to
mode=TE, but Layers 2 and 3 will be still as NT. In case that switching of layers is
supported by connected PBX, you can easly solve potencial problem with
synchronization.
Keep activated layer 1 – In case that this parameter is enabled and 2N GSM gateway detect
deactivating of ISDN Layer 1, its immediately try to re-activate it. This feature is active
only for ISDN port mode = TE.