Create Bulk Campaigns

On the App detail page set the status of the app for bulk campaign to Active.
On the top right, click Setup and then click Bulk Campaign.The Bulk Campaign page appears.

Under Recipient List, select the list of recipients to whom you want to send the message. The list of recipients appear.

Under Sender ID, select the Sender ID from whom the message will be sent.
Under Select Phone Field(s), select the phone type . If available, the user can select more than one phone type.
Under Use Templates, select the template to use for the bulk campaign.
Under Message Text type the message to be sent out to the selected recipients. If you have selected a template, this section will display the message from the selected template. You can also edit the message and include images.
By default, the Send to Duplicate Numbers remains selected.
Clear the check box if you do not want to send the message to duplicate numbers existing in the list.
Click Schedule if you want to send the message at a specific time and date.

Refer to the section on Schedule Campaigns for more details on scheduling campaigns.