1# SPDX-License-Identifier: GPL-2.0-only 2# 3# modularer ISDN driver 4# 5 6menuconfig MISDN 7 tristate "Modular ISDN driver" 8 help 9 Enable support for the modular ISDN driver. 10 11if MISDN != n 12 13config MISDN_DSP 14 tristate "Digital Audio Processing of transparent data" 15 depends on MISDN 16 select BITREVERSE 17 help 18 Enable support for digital audio processing capability. 19 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. 24 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. 27 28 If unsure, say 'N'. 29 30config MISDN_L1OIP 31 tristate "ISDN over IP tunnel" 32 depends on MISDN 33 help 34 Enable support for ISDN over IP tunnel. 35 36 It features: 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 41 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. 45 46source "drivers/isdn/hardware/mISDN/Kconfig" 47 48endif #MISDN 49