1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 21b2b03f8SKarsten Keil# 31b2b03f8SKarsten Keil# modularer ISDN driver 41b2b03f8SKarsten Keil# 51b2b03f8SKarsten Keil 61b2b03f8SKarsten Keilmenuconfig MISDN 71b2b03f8SKarsten Keil tristate "Modular ISDN driver" 81b2b03f8SKarsten Keil help 91b2b03f8SKarsten Keil Enable support for the modular ISDN driver. 101b2b03f8SKarsten Keil 11960366cfSKarsten Keilif MISDN != n 12960366cfSKarsten Keil 13960366cfSKarsten Keilconfig MISDN_DSP 14960366cfSKarsten Keil tristate "Digital Audio Processing of transparent data" 15960366cfSKarsten Keil depends on MISDN 16*51049bd9SArnd Bergmann select BITREVERSE 17960366cfSKarsten Keil help 18960366cfSKarsten Keil Enable support for digital audio processing capability. 19692105b8SMatt LaPlante 20960366cfSKarsten Keil This module may be used for special applications that require 21692105b8SMatt LaPlante cross connecting of bchannels, conferencing, dtmf decoding, 225065a706SMasanari Iida echo cancellation, tone generation, and Blowfish encryption and 23692105b8SMatt LaPlante decryption. It may use hardware features if available. 24692105b8SMatt LaPlante 25960366cfSKarsten Keil E.g. it is required for PBX4Linux. Go to http://isdn.eversberg.eu 26692105b8SMatt LaPlante and get more information about this module and its usage. 27692105b8SMatt LaPlante 28960366cfSKarsten Keil If unsure, say 'N'. 29960366cfSKarsten Keil 303712b42dSKarsten Keilconfig MISDN_L1OIP 313712b42dSKarsten Keil tristate "ISDN over IP tunnel" 323712b42dSKarsten Keil depends on MISDN 333712b42dSKarsten Keil help 343712b42dSKarsten Keil Enable support for ISDN over IP tunnel. 353712b42dSKarsten Keil 363712b42dSKarsten Keil It features: 373712b42dSKarsten Keil - dynamic IP exchange, if one or both peers have dynamic IPs 383712b42dSKarsten Keil - BRI (S0) and PRI (S2M) interface 393712b42dSKarsten Keil - layer 1 control via network keepalive frames 403712b42dSKarsten Keil - direct tunneling of physical interface via IP 413712b42dSKarsten Keil 423712b42dSKarsten Keil NOTE: This protocol is called 'Layer 1 over IP' and is not 433712b42dSKarsten Keil compatible with ISDNoIP (Agfeo) or TDMoIP. Protocol description is 443712b42dSKarsten Keil provided in the source code. 453712b42dSKarsten Keil 46960366cfSKarsten Keilsource "drivers/isdn/hardware/mISDN/Kconfig" 473712b42dSKarsten Keil 48960366cfSKarsten Keilendif #MISDN 49