1 # SPDX-License-Identifier: GPL-2.0-only
3 # modularer ISDN driver
7 tristate "Modular ISDN driver"
9 Enable support for the modular ISDN driver.
14 tristate "Digital Audio Processing of transparent data"
18 Enable support for digital audio processing capability.
20 This module may be used for special applications that require
21 cross connecting of bchannels, conferencing, dtmf decoding,
22 echo cancellation, tone generation, and Blowfish encryption and
23 decryption. It may use hardware features if available.
25 E.g. it is required for PBX4Linux. Go to http://isdn.eversberg.eu
26 and get more information about this module and its usage.
31 tristate "ISDN over IP tunnel"
34 Enable support for ISDN over IP tunnel.
37 - dynamic IP exchange, if one or both peers have dynamic IPs
38 - BRI (S0) and PRI (S2M) interface
39 - layer 1 control via network keepalive frames
40 - direct tunneling of physical interface via IP
42 NOTE: This protocol is called 'Layer 1 over IP' and is not
43 compatible with ISDNoIP (Agfeo) or TDMoIP. Protocol description is
44 provided in the source code.
46 source "drivers/isdn/hardware/mISDN/Kconfig"