default or selected kernelversion does not have config value CONFIG_HISAX_NI1.
Result is shown for kernelversion 6.9.9
HiSax Support for US NI1
configname: CONFIG_HISAX_NI1
Linux Kernel Configuration
└─>Device Drivers
└─>ISDN support
└─>Old ISDN4Linux (deprecated)
└─>Passive cards
└─>HiSax Support for US NI1
In linux kernel since version 2.6.20 (release Date: 2007-02-04)
Enable this if you like to use ISDN in US on a NI1 basic rate
interface.
interface.