SIP trunks connect your PBX to the public telephone network. GonoPBX supports registration and IP-based authentication and makes setup as easy as possible.
Features
- Registration – Classic SIP registration with username and password
- IP authentication – For providers that authenticate by IP address
- Registration status – Live status whether the trunk is registered
- Multiple trunks – Any number of provider connections at once
- Codec configuration – Set codecs per trunk
- NAT support – Automatic detection of external IP address
Screenshot
SIP trunk overview with registration status and configuration
Supported providers
GonoPBX works with any standards-compliant SIP provider. Tested with:
- Plusnet (IPfonie) – Registration with SIP credentials
- Sipgate – SIP trunk with registration
- Deutsche Telekom – All-IP / SIP trunk
- easybell – SIP trunk with registration
- Any other RFC-3261 compliant SIP provider
Setup
| Step | Action |
|---|---|
| 1 | Settings → Lines → “New trunk” |
| 2 | Choose provider type (registration or IP auth) |
| 3 | Enter SIP server, username, and password |
| 4 | Save – check registration status |
Available since the first release. Trunk management is a core feature and continues to evolve with every release.