> For the complete documentation index, see [llms.txt](https://docs.didforsale.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.didforsale.com/voice-and-sms-apis/sms/sms-mms-message-lenght.md).

# SMS/MMS Message Lenght

#### Message Content Lenght <a href="#message-content-lenght" id="message-content-lenght"></a>

* UCS-2 (16-bit) = 70 character maximum. For longer multipart messages, a User Data Header (UDH) is added to the message to instruct the receiving device on how to reassemble the message, resulting in a maximum of 67 characters for the body of the message.
* Latin1 (8-bit) = 140 characters maximum. For longer multipart messages, a User Data Header (UDH) is added to the message to instruct the receiving device on how to reassemble the message, resulting in a maximum of 134 characters for the body of the message.
* GSM7 (7-bit) = 160 characters maximum. For longer multipart messages, a User Data Header (UDH) is added to the message to instruct the receiving device on how to reassemble the message, resulting in a maximum of 153 characters for the body of the message.

**Any message segment which has been broken up from a single message due to length will be treated as a single message, as will be messages to multiple recipients.**


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