ISDN over IP tunnel

modulename: l1oip.ko

configname: CONFIG_MISDN_L1OIP

Linux Kernel Configuration
└─>Device Drivers
└─>ISDN support
└─>Modular ISDN driver
└─>ISDN over IP tunnel
In linux kernel since version 2.6.27 (release Date: 2008-10-09)  
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 code: