0001 # SPDX-License-Identifier: GPL-2.0-only
0002 #
0003 # modularer ISDN driver
0004 #
0005
0006 menuconfig MISDN
0007 tristate "Modular ISDN driver"
0008 help
0009 Enable support for the modular ISDN driver.
0010
0011 if MISDN != n
0012
0013 config MISDN_DSP
0014 tristate "Digital Audio Processing of transparent data"
0015 depends on MISDN
0016 select BITREVERSE
0017 help
0018 Enable support for digital audio processing capability.
0019
0020 This module may be used for special applications that require
0021 cross connecting of bchannels, conferencing, dtmf decoding,
0022 echo cancellation, tone generation, and Blowfish encryption and
0023 decryption. It may use hardware features if available.
0024
0025 E.g. it is required for PBX4Linux. Go to http://isdn.eversberg.eu
0026 and get more information about this module and its usage.
0027
0028 If unsure, say 'N'.
0029
0030 config MISDN_L1OIP
0031 tristate "ISDN over IP tunnel"
0032 depends on MISDN
0033 help
0034 Enable support for ISDN over IP tunnel.
0035
0036 It features:
0037 - dynamic IP exchange, if one or both peers have dynamic IPs
0038 - BRI (S0) and PRI (S2M) interface
0039 - layer 1 control via network keepalive frames
0040 - direct tunneling of physical interface via IP
0041
0042 NOTE: This protocol is called 'Layer 1 over IP' and is not
0043 compatible with ISDNoIP (Agfeo) or TDMoIP. Protocol description is
0044 provided in the source code.
0045
0046 source "drivers/isdn/hardware/mISDN/Kconfig"
0047
0048 endif #MISDN
