Gateways connect your ICTPBX system to external VoIP providers (SIP trunks) so you can make and receive calls to/from the PSTN.
Adding a Gateway
- Go to PBX → Gateways
- Click Add Gateway
- Enter your SIP trunk credentials from your provider
Settings
| Field | Description |
|---|---|
| Name | Label (e.g. “Twilio Trunk”) |
| Username | SIP username from provider |
| Password | SIP password from provider |
| Proxy | SIP server address (e.g. sip.twilio.com) |
| Register | Whether to register with the provider |
| From Domain | SIP domain for outbound caller ID |
| Codec | Preferred audio codec (ulaw, alaw, g729) |
| Enabled | Activate or deactivate the gateway |
Testing the Gateway
After saving, check Realtime → Gateways to confirm the registration status shows REGED.
If registration fails, verify the proxy address, username, and password with your SIP provider. Also check that UDP port 5060 is not blocked by a firewall.