The user interface of the Salesforce Classic of Single SMS and Bulk SMS resembles the Salesforce Lightning Experience of Single SMS and Bulk SMS.
On the user interface of the Salesforce Classic of Single SMS and Bulk SMS was automatically bringing up a popup window, Add to Converse App. This is now disabled.
Now the Salesforce Classic of Single SMS and Bulk SMS UI has new button, Add to Converse App. Clicking this button brings up a popup window, Add to Converse App.
