# NumberSimInstalled

Fired when a number's eSIM has been installed on the customer's device.

> Enterprise API · https://developer.telgea.com/docs/enterprise/webhooks/number-sim-installed

## NumberSimInstalled [#numbersiminstalled]

Fired when the eSIM profile for a number has been installed on the customer's device. You receive at most one delivery per number and SIM.

## Payload [#payload]

```json event=NumberSimInstalled
{
  "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "eventType": "NumberSimInstalled",
  "timestamp": "2026-03-25T14:35:00.000Z",
  "organizationId": "b5e2d7f3-a1c4-4e89-9f6b-3d8a7c5e1024",
  "data": {
    "numberId": "f7a8b9c0-d1e2-3456-f789-012345678901",
    "iccid": "8945000000000000001",
    "msisdn": "+4512345678",
    "source": "NETWORK"
  }
}
```

| Field      | Type     | Description                                                                                                         |
| ---------- | -------- | ------------------------------------------------------------------------------------------------------------------- |
| `numberId` | `string` | UUID of the number whose eSIM was installed                                                                         |
| `iccid`    | `string` | ICCID of the installed SIM                                                                                          |
| `msisdn`   | `string` | Phone number in E.164 format                                                                                        |
| `source`   | `string` | `NETWORK` when the network reported the install; `INFERRED` when Telgea deduced it from the first usage on the line |

An `INFERRED` install arrives with the first call, text or data session, which can be well after the customer installed the profile.