This article will review the different features each Inbox supports (Inboxes are also known as channels). Each Inbox can vary in the size of the messages, for example. We will discuss more features in this article.
| Inbox |
Incoming/Outgoing message |
Activity message |
| Website |
Yes |
Yes |
| Facebook Messenger |
Yes |
Yes |
| SMS |
Yes |
Yes |
| WhatsApp |
Yes |
Yes |
| Email |
Yes |
Yes |
| Telegram |
Yes |
Yes |
| Line |
Yes |
Yes |
| API |
Yes |
Yes |
| Inbox |
Maximum number of characters |
| Website |
10,000 |
| Facebook Messenger |
640 |
| SMS |
160 |
| WhatsApp |
10,000 |
| Email |
10,000 |
| Telegram |
4,096 |
| Line |
2,000 |
| API |
10,000 |
| Inbox |
Restriction |
| Website |
You can create outbound conversations with verified contacts. |
| Facebook Messenger |
Cannot create outbound conversations. The first message should be from the contact. |
| SMS |
No restriction |
| WhatsApp |
Cannot send messages other than WhatsApp-approved template messages 24 hours after the last incoming message. |
| Email |
No restriction |
| Telegram |
Cannot create outbound conversations. The first message should be from the contact. |
| Line |
Cannot create outbound conversations. The first message should be from the contact. |
| API |
No restriction |
| Inbox |
Restriction |
| Website |
No restriction |
| Facebook Messenger |
Cannot send promotional messages 24 hours after the last incoming message. |
| SMS |
No restriction |
| WhatsApp |
Cannot send messages other than WhatsApp-approved template messages 24 hours after the last incoming message. |
| Email |
No restriction |
| Telegram |
No restriction |
| Line |
No restriction |
| API |
No restriction |
| Inbox |
Channel greeting |
Attachments |
Auto Assignment |
| Website |
Yes |
Yes |
Yes |
| Facebook Messenger |
Yes |
Yes |
Yes |
| SMS |
Yes |
No |
Yes |
| WhatsApp |
Yes |
Yes |
Yes |
| Email |
Yes |
Yes |
Yes |
| Telegram |
Yes |
Yes |
Yes |
| Line |
Yes |
No |
Yes |
| API |
Yes |
Yes |
Yes |
