# New dialog

With the **New Dialogue** feature, agents can be the first to write/call a new customer.

## Call first

To call the first, you need to open the "Call" tab and fill in the following fields:

<figure><img src="/files/K8IwbGktcob6NVJdZpd4" alt=""><figcaption></figcaption></figure>

1. **Phone number** - the number to which the call will be made.

You can also select:

<figure><img src="/files/kFtYZWYTeb1VU0lCoVQ3" alt=""><figcaption></figcaption></figure>

1. **Inbox** - the channel from which to make the call
2. **Team** - the team within which the outgoing dialogue should be made.

***

## Send a message

In order to send a message the first, you need to open the ‘Send a message’ tab, select the messenger you want to use and fill in the mandatory fields provided for sending from this messenger.

You can be the first to interact with new customers via the following channels:

* API channel (available for WhatsApp and Telegram messengers)
* Telegram by phone
* Viber by phone

{% hint style="warning" %}
The option is available only if there is a channel from which you can write first to the new client (to do this, you need to activate **Can write first to a new customer** option in the [Inbox ](/en/get-started/settings/inboxes.md)settings).
{% endhint %}

***

## Write first via WhatsApp web API

In order to write the first to a client in the WhatsApp web API, you need to fill in the following fields:

<figure><img src="/files/uWMZKDu3MWccCewXKUPx" alt=""><figcaption></figcaption></figure>

1. **Phone number** - the number to which the call will be made.
2. Message

Additionally, you can choose:

<figure><img src="/files/8kBfJ6SJrx3JTr3Iq7fx" alt=""><figcaption></figcaption></figure>

1. **Inbox** - the channel from which to send the message
2. **Team** - the team within which the outgoing dialogue should be carried out.

***

## Write first via WhatsApp Business

In order to write the first to a client in the WhatsApp Business, you need to fill in the following fields:

<figure><img src="/files/GTVxMewrI5hvkihYrGVu" alt=""><figcaption></figcaption></figure>

1. **Phone number** - the number to which the call will be made.
2. **Message**

Additionally, you can choose:

<figure><img src="/files/in20DUVG02DxLUWUe2Qz" alt=""><figcaption></figcaption></figure>

1. **Inbox** - the channel from which to send the message
2. **Team** - the team within which the outgoing dialogue should be carried out.

{% hint style="info" %}
WhatsApp Business uses 24-hour sessions for messaging.

When a customer sends a message to your number, a 24-hour window opens during which you can write free-form messages to your users.

Outside of the 24-hour customer service window, you can only send [HSM templates](/en/get-started/conversations/conversation-panel/hsm-templates.md). As soon as the customer replies to the template message, a new 24-hour window for communication opens.
{% endhint %}

***

## Write first via Telegram

In order to write the first to a client in the Telegram, you need to fill in the following fields:

<figure><img src="/files/u5e7W0lhQdt3oGdrVee8" alt=""><figcaption></figcaption></figure>

1. **Contact** - phone number, username or ChatID

{% hint style="info" %}
Telegram username starting with @.

The ChatID can be found in the Conversation in the Conversation information section.
{% endhint %}

2. **Message**

Additionally, you can choose:

<figure><img src="/files/iWVupItZFtRyXNt9kfgS" alt=""><figcaption></figcaption></figure>

1. **Team** - the team within which the outgoing dialogue should be carried out.
2. **Inbox** - the channel from which to send the message
3. **Sender's phone number** - the phone number from which the message will be sent.

{% hint style="info" %}
If the Telegram by phone is connected via the API Channel, the Sender's phone number field will not be displayed.
{% endhint %}

***

## Write first via Viber

In order to write the first to a client in the Viber, you need to fill in the following fields:

<figure><img src="/files/ii0XatX3sF4cEX6WM5P1" alt=""><figcaption></figcaption></figure>

1. **Phone number** - the number to which the call will be made.
2. **Message**

Additionally, you can choose:

<figure><img src="/files/DBONS51KfcgVgObNQxkr" alt=""><figcaption></figcaption></figure>

1. **Inbox** - the channel from which to send the message
2. **Team** - the team within which the outgoing dialogue should be carried out.
3. **Sender's phone number** - the phone number from which the message will be sent.

***

## Write first via Email

In order to write the first to a client Email, you need to fill in the following fields:

<figure><img src="/files/OqCk2PfZsugU8kUrn0QA" alt=""><figcaption></figcaption></figure>

1. **To** - email address of the main recipient(s)
2. **Copy** - email addresses of the recipients in the copy (optional)
3. **Hidden copy** - email addresses of the recipients in the hidden copy (optional)

{% hint style="success" %}
If you want to add several recipients in the **To, Cc, Bcc** fields, you must separate the email addresses with a comma.
{% endhint %}

4. **Subject**
5. **Message**

Additionally, you can choose:

<figure><img src="/files/htqHVVjhfyX9cHt4L59j" alt=""><figcaption></figcaption></figure>

1. **Team** - the team within which the outgoing dialogue should be carried out.
2. **Inbox** - the channel from which to send the message


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