1. EXTENSION_REGISTER_SUCCESS
| Event | EXTENSION_REGISTER_SUCCESS | |
| Description | Triggered when an extension is successfully registered with the Nexbro IP-PBX system. This event indicates that the extension is online, authenticated, and ready to make or receive calls. It can be used to track extension availability and update real-time status in external systems. | |
| Payload Example | ||
| Payload Parameter | Parameter Description | Example |
| event | The name of the webhook event. | EXTENSION_REGISTER_SUCCESS |
| extension | The extension number that has been registered. | 234 |
| name | The display name or assigned name of the extension | Rupinder Singh |
| ip | IP address from which the extension is registered. | 10.1.1.71 |
| port | The network port used by the extension during registration. | 32855 |
| transport | The transport protocol used for registration. | TCP |
| user_agent | Information about the SIP client or device used by the extension. | Zoiper 5.6.9 v2.10.20.8 |
| timestamp | The date and time when the event was triggered. | 2026-01-27 12:02:30 |
2. EXTENSION_REGISTER_FAILURE
| Event | EXTENSION_REGISTER_FAILURE | |
| Description | Triggered when an extension registration attempt fails on the Nexbro IP-PBX system. This event indicates that the extension could not be authenticated or connected due to reasons such as invalid credentials, network issues, or configuration errors. It can be used to monitor registration problems and alert administrators or external systems for corrective action. | |
| Payload Example | ||
| Payload Parameter | Parameter Description | Example |
| event | The name of the webhook event. | EXTENSION_REGISTER_FAILURE |
| extension | The extension number for which the registration attempt was made | 234 |
| ip | The IP address of the device attempting to register the extension. | 10.1.1.71 |
| port | The network port used by the device during the registration attempt. | 32855 |
| user_agent | Information about the client device or softphone used for registration. | Zoiper 5.6.9 v2.10.20.8 |
| timestamp | The date and time when the event was triggered. | 2026-01-27 12:02:30 |
3. EXTENSION_UNREGISTER
| Event | EXTENSION_UNREGISTER | |
| Description | Triggered when an extension is unregistered or disconnected from the Nexbro IP-PBX system. This event indicates that the extension is no longer online and cannot make or receive calls. It can be used to monitor extension availability, detect unexpected disconnects, and update real-time status in external systems. | |
| Payload Example | ||
| Payload Parameter | Parameter Description | Example |
| event | The name of the webhook event. | EXTENSION_UNREGISTER |
| extension | The extension number that has been unregistered from the Nexbro. | 234 |
| name | The display name or assigned name of the extension | Rupinder Singh |
| ip | The IP address from which the extension was previously registered. | 10.1.1.71 |
| port | The network port used by the extension at the time of registration. | 32855 |
| user_agent | Information about the client device or softphone. | Zoiper 5.6.9 v2.10.20.8 |
| timestamp | The date and time when the event was triggered. | 2026-01-27 12:02:30 |
