SMS channel is an add-on. Please check your license agreement.
For SMS messages, you can create, modify, and personalize messages in text format only. You can also preview your SMS messages before they are sent.
The length of an SMS message is restricted to 160 characters if it is in GSM encoding and only 70 characters if it is in Unicode. However, certain special characters can influence the length of the message. For more on this, refer to the SMS encoding section.
SMS messages can be created from the Marketing activities menu, from a campaign, or in a workflow, see Creating an SMS message.
Adobe Campaign offers a delivery template for mobile devices. This template must be correctly linked to the external account used for the Mobile (SMS) channel. To access and modify it: