MadelineProtoDocs/old_docs/API_docs_v41/methods/phone.confirmCall.md

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2020-06-16 17:50:25 +02:00
---
title: phone.confirmCall
description: [Complete phone call E2E encryption key exchange »](https://core.telegram.org/api/end-to-end/voice-calls)
image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
redirect_from: /API_docs/methods/phone_confirmCall.html
---
# Method: phone.confirmCall
[Back to methods index](index.md)
[Complete phone call E2E encryption key exchange »](https://core.telegram.org/api/end-to-end/voice-calls)
### Parameters:
| Name | Type | Description | Required |
|----------|---------------|-------------|----------|
|peer|[InputPhoneCall](../types/InputPhoneCall.md) | The phone call | Yes|
|g\_a|[bytes](../types/bytes.md) | [Parameter for E2E encryption key exchange »](https://core.telegram.org/api/end-to-end/voice-calls) | Yes|
|key\_fingerprint|[long](../types/long.md) | Key fingerprint | Yes|
|protocol|[PhoneCallProtocol](../types/PhoneCallProtocol.md) | Phone call settings | Yes|
### Return type: [phone.PhoneCall](../types/phone.PhoneCall.md)
### Can bots use this method: **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();
$phone.PhoneCall = $MadelineProto->phone->confirmCall(['peer' => InputPhoneCall, 'g_a' => 'bytes', 'key_fingerprint' => long, 'protocol' => PhoneCallProtocol, ]);
```
Or, if you're into Lua:
```lua
phone.PhoneCall = phone.confirmCall({peer=InputPhoneCall, g_a='bytes', key_fingerprint=long, protocol=PhoneCallProtocol, })
```
### Errors
| Code | Type | Description |
|------|----------|---------------|
|400|CALL_ALREADY_DECLINED|The call was already declined|
|400|CALL_PEER_INVALID|The provided call peer object is invalid|