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- # SPDX-License-Identifier: GPL-2.0-only
- #
- # modularer ISDN driver
- #
- menuconfig MISDN
- tristate "Modular ISDN driver"
- help
- Enable support for the modular ISDN driver.
- if MISDN != n
- config MISDN_DSP
- tristate "Digital Audio Processing of transparent data"
- depends on MISDN
- select BITREVERSE
- help
- Enable support for digital audio processing capability.
- This module may be used for special applications that require
- cross connecting of bchannels, conferencing, dtmf decoding,
- echo cancellation, tone generation, and Blowfish encryption and
- decryption. It may use hardware features if available.
- E.g. it is required for PBX4Linux. Go to http://isdn.eversberg.eu
- and get more information about this module and its usage.
- If unsure, say 'N'.
- config MISDN_L1OIP
- tristate "ISDN over IP tunnel"
- depends on MISDN
- help
- Enable support for ISDN over IP tunnel.
- It features:
- - dynamic IP exchange, if one or both peers have dynamic IPs
- - BRI (S0) and PRI (S2M) interface
- - layer 1 control via network keepalive frames
- - direct tunneling of physical interface via IP
- NOTE: This protocol is called 'Layer 1 over IP' and is not
- compatible with ISDNoIP (Agfeo) or TDMoIP. Protocol description is
- provided in the source code.
- source "drivers/isdn/hardware/mISDN/Kconfig"
- endif #MISDN
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