Possibly Parallel Threads
- Poor man's High Availability solution
- Anyone using National ISDN (NI-1) BRI under Linux?
- Sangoma BRI card -- National ISDN/North America support (Having problems with analog disconnect supervision?)
- existing ISDN PBX <-> asterisk <-> 2xBRI for IVR and SIP
- Newbie: ISDN E1 the same in all countries?