[Salesforce] This article explains how to add a Send Mass SMS button to a list view.

[Salesforce] This article shows you how to send a mass SMS message to the records in a List View.

[Salesforce] This guide explains how to use the Send Mass Messages tool to send SMS messages to records from a List View.

[Salesforce] This article explains how to use the TrueDialog Mass SMS From Flow Apex action to create a Flow to send a mass message to a list of Contacts.

[TrueDialog Portal] This article shows you how to create a campaign with a TrueDialog shortened and tracked link.

[MS Dynamics] This article gives an overview of the different SMS messaging options the TrueDialog integration provides.

[MS Dynamics] This article explains how to use the Bulk Text Messages tool to send a mass SMS message.