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[Home](./index.md) &gt; [sip.js](./sip.js.md) &gt; [Referral](./sip.js.referral.md)

## Referral class

A request to establish a [Session](./sip.js.session.md) elsewhere (incoming REFER).

<b>Signature:</b>

```typescript
export declare class Referral 
```

## Remarks

The constructor for this class is marked as internal. Third-party code should not call the constructor directly or create subclasses that extend the `Referral` class.

## Properties

|  Property | Modifiers | Type | Description |
|  --- | --- | --- | --- |
|  [referredBy](./sip.js.referral.referredby.md) |  | <code>string &#124; undefined</code> |  |
|  [referTo](./sip.js.referral.referto.md) |  | <code>NameAddrHeader</code> |  |
|  [replaces](./sip.js.referral.replaces.md) |  | <code>string &#124; undefined</code> |  |
|  [request](./sip.js.referral.request.md) |  | <code>IncomingRequestMessage</code> | Incoming REFER request message. |

## Methods

|  Method | Modifiers | Description |
|  --- | --- | --- |
|  [accept(options)](./sip.js.referral.accept.md) |  | Accept the request. |
|  [makeInviter(options)](./sip.js.referral.makeinviter.md) |  | Creates an inviter which may be used to send an out of dialog INVITE request. |
|  [reject(options)](./sip.js.referral.reject.md) |  | Reject the request. |