Restrictions on SMS Content 

Each country might have other restrictions on content and requirements. SMS.to support and sales representative might require you to provide the exact SMS message in order to verify them with our partner carriers or networks.

Example:

For messages to China, pre-registration of message body template is recommended.

To learn more about each country regulations and restrictions on content and SenderID, please visit this link. 

If you have any questions, please send an email to support@sms.to