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

# SMS/MMS Message Length

### Message Content Length

* **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.

Supported by standard English letters, numbers, and common symbols.

```
Hello John! Your appointment is confirmed for tomorrow at 10:30 AM. Please reply YES to confirm or call us at 800-xxx-1234 if you need assistance
```

Character count: 160

* **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.

Typically used for Western European languages containing accented characters such as é, à, ü, ñ, etc.

```
Bonjour André, votre réservation est confirmée. Présentez-vous à 14h00. Merci et à bientôt. Café réservé pour vous.
```

Character count: Approximately 140

* **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.

Used when the message contains Unicode characters such as Chinese, Japanese, Korean, Arabic, Hindi, or emojis.

Example using Hindi:

An example close to the 70-character limit:

```
नमस्ते! आपकी अपॉइंटमेंट कल सुबह 10 बजे है। कृपया समय पर पहुँचें। धन्यवाद।
```

Character count: Approximately 68–70 Unicode characters

**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.**
