# Voxtelesys Integration for ERPNext Helpdesk

Minimal Frappe app that receives an HTTP webhook from **3CX** when an inbound
call arrives (via a Voxtelesys SIP trunk) and automatically creates an
**HD Ticket** in Frappe Helpdesk.

---

## Architecture

```
Voxtelesys SIP trunk → 3CX PBX → CF_URLFetch (Call Flow) → ERPNext webhook → HD Ticket
```

---

## Installation

```bash
cd ~/frappe-bench
bench get-app https://forge.wilddragon.net/zgaetano/voxtelesys_integration.git
bench --site erp.broadcastmgmt.cloud install-app voxtelesys_integration
bench --site erp.broadcastmgmt.cloud migrate
bench restart
```

---

## Webhook Endpoint

```
POST https://erp.broadcastmgmt.cloud/api/method/voxtelesys_integration.api.inbound_call
```

### Parameters (POST body or query string)

| Parameter    | Required | Description                          |
|---|---|---|
| `caller_id`  | Yes      | Inbound caller number e.g. `+12025551234` |
| `called_did` | No       | DID that was dialled                 |
| `call_id`    | No       | 3CX internal call ID (for deduplication) |

### Response

```json
{ "ok": true, "ticket": "HD-TICKET-00001" }
```

---

## 3CX Call Flow Setup

1. Open **3CX Management Console → Call Flow Designer**
2. Create a new Call Flow (or edit your inbound DID's flow)
3. Add a **CF_URLFetch** block with these settings:
   - **URL**: `https://erp.broadcastmgmt.cloud/api/method/voxtelesys_integration.api.inbound_call`
   - **Method**: POST
   - **Parameters**:
     - `caller_id` = `[caller_id]` (3CX variable for inbound caller number)
     - `called_did` = `[called_did]` (optional)
     - `call_id` = `[call_id]` (optional, enables deduplication)
4. Connect the block in your call flow — it can run in parallel with ringing, no need to wait for the response

---

## Optional: Webhook Secret

To prevent unauthorized calls to the endpoint, add this to your site config:

```bash
bench --site erp.broadcastmgmt.cloud set-config voxtelesys_webhook_secret "yourtoken"
```

Then append `?secret=yourtoken` to the 3CX webhook URL.

---

## Optional: Custom Field for Deduplication

To prevent duplicate tickets if 3CX retries the webhook, add a custom field
to HD Ticket:

- **DocType**: HD Ticket
- **Field Name**: `custom_3cx_call_id`
- **Field Type**: Data

This can be done via **ERPNext → Customize Form → HD Ticket**.

---

## License

MIT