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- # SPDX-License-Identifier: GPL-2.0-only
- config ISDN_CAPI
- def_bool ISDN && BT
- help
- This provides CAPI (the Common ISDN Application Programming
- Interface) Version 2.0, a standard making it easy for programs to
- access ISDN hardware in a device independent way. (For details see
- <https://www.capi.org/>.) CAPI supports making and accepting voice
- and data connections, controlling call options and protocols,
- as well as ISDN supplementary services like call forwarding or
- three-party conferences (if supported by the specific hardware
- driver).
- This subsystem requires a hardware specific driver.
- See CONFIG_BT_CMTP for the last remaining regular driver
- in the kernel that uses the CAPI subsystem.
- config CAPI_TRACE
- def_bool BT_CMTP
- help
- If you say Y here, the kernelcapi driver can make verbose traces
- of CAPI messages. This feature can be enabled/disabled via IOCTL for
- every controller (default disabled).
- config ISDN_CAPI_MIDDLEWARE
- def_bool BT_CMTP && TTY
- help
- This option will enhance the capabilities of the /dev/capi20
- interface. It will provide a means of moving a data connection,
- established via the usual /dev/capi20 interface to a special tty
- device. If you want to use pppd with pppdcapiplugin to dial up to
- your ISP, say Y here.
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