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"
17 Enable support for digital audio processing capability.
19 This module may be used for special applications that require
20 cross connecting of bchannels, conferencing, dtmf decoding,
21 echo cancellation, tone generation, and Blowfish encryption and
22 decryption. It may use hardware features if available.
24 E.g. it is required for PBX4Linux. Go to http://isdn.eversberg.eu
25 and get more information about this module and its usage.
30 tristate "ISDN over IP tunnel"
33 Enable support for ISDN over IP tunnel.
36 - dynamic IP exchange, if one or both peers have dynamic IPs
37 - BRI (S0) and PRI (S2M) interface
38 - layer 1 control via network keepalive frames
39 - direct tunneling of physical interface via IP
41 NOTE: This protocol is called 'Layer 1 over IP' and is not
42 compatible with ISDNoIP (Agfeo) or TDMoIP. Protocol description is
43 provided in the source code.
45 source "drivers/isdn/hardware/mISDN/Kconfig"