# phone.inviteConferenceCallParticipant

> Invite a user to a conference call.

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Invite a user to a conference call.

### Parameters:

| Name     |    Type       | Description | Required |
|----------|---------------|-------------|----------|
|video|[Bool](/API_docs/types/Bool.html) | Invite the user to also turn on their video feed. | Optional|
|call|[InputGroupCall](/API_docs/types/InputGroupCall.html) | The conference call. | Yes|
|user\_id|[Username, chat ID, Update, Message or InputUser](/API_docs/types/InputUser.html) | The user to invite. | Optional|


### Return type: [Updates](/API_docs/types/Updates.html)

### Can users use this method: **YES**


### Can bots use this method: **NO**


### Can bots use this method over a business connection with the `businessConnectionId` flag: **NO**


### MadelineProto Example ([now async for huge speed and parallelism!](https://docs.madelineproto.xyz/docs/ASYNC.html)):


```php
if (!file_exists('madeline.php')) {
    copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
}
include 'madeline.php';

$MadelineProto = new \danog\MadelineProto\API('session.madeline');
$MadelineProto->start();

$Updates = $MadelineProto->phone->inviteConferenceCallParticipant(video: $Bool, call: $InputGroupCall, user_id: $InputUser, );
```