---
path: "/docs/channels/feature-comparison"
title: "Supported features on channels"
---


### Supported message type

<div class="table table-striped">

| Channel | Incoming/Outgoing message | Activity message | Template message |
| -- | -- | -- | -- |
| Website | Yes | Yes | Yes |
| Facebook | Yes | Yes | No |
| Twitter DM | Yes | Yes | No |
| Tweets | Yes | Yes | No |
| SMS | Yes | Yes | No |
| Whatsapp | Yes | Yes | No |

</div>

### Maximum message size (number of characters)

<div class="table table-striped">

| Channel | Maximum message size |
| -- | -- |
| Website | 10,000 |
| Facebook | 640 |
| Twitter DM | 10,000 |
| Tweets | 280 |
| SMS | 160 |
| Whatsapp | 10,000 |

</div>

### Outgoing message restriction

<div class="table table-striped">

| Channel | Restriction |
| -- | -- |
| Website | No restriction |
| Facebook | Cannot send promotional messages 24 hours after the last incoming message  |
| Twitter DM | No restriction |
| Tweets | No restriction |
| SMS | No restriction |
| Whatsapp | Cannot send any message other than Whatsapp approved template messages 24 hours after the last incoming message |

</div>

### Available features

<div class="table table-striped">

| Channel | Channel greeting | Attachments | Agent Auto assignment | Slack |
| -- | -- | -- | -- | -- |
| Website | Yes | Yes | Yes | Yes |
| Facebook | Yes | Yes | Yes | No |
| Twitter DM | Yes | No | Yes | No |
| Tweets | Yes | No | Yes | No |
| SMS | Yes | No | Yes | No |
| Whatsapp | Yes | Yes | Yes | No |

</div>