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 help 17 Enable support for digital audio processing capability. 18 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. 23 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. 26 27 If unsure, say 'N'. 28 29config MISDN_L1OIP 30 tristate "ISDN over IP tunnel" 31 depends on MISDN 32 help 33 Enable support for ISDN over IP tunnel. 34 35 It features: 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 40 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. 44 45source "drivers/isdn/hardware/mISDN/Kconfig" 46 47endif #MISDN 48