SARK V4.0.0 howto
- Debian SARK/SAIL (including SARK200) field upgrade instructions
- Directed call pickup
- Phone "Twinning"
- SIP trunk setup to downstream PBX
- Setting distinctive ring tones using alert-info
- Vintage PBX features - bounce transfer and camp-on queues
- Wakeup call
- Voicemail to email
- Fail2ban on SARK200
- Door entry repeater
