MMS channel properties

There are MMS channel-specific properties that can be used when making calls to the Conversation API. These properties can be listed under channel_properties in the message request.

The relevant MMS channel properties are detailed in the table below:

Property name Property value
MMS_SENDER Required on MMS channel, specifies the shortcode or longnumber to use as the sender.
MMS_STRICT_VALIDATION Whether or not you want the media included in your message to be checked against Sinch MMS channel best practices. If set to true, your message will be rejected if it doesn't conform to the listed recommendations, otherwise no validation will be performed. The default is false.
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