Send SMS from Workflow

Hi,

How can we send sms from workflow.I have check below link

How to send SMS from Workflow

In this link they are calling FM : SO_NEW_DOCUMENT_SEND_API1.I tried using this FM but i can not find parameter to pass my mobile no in this.

Please let me know if they is any other options to send SMS from workflow. Basis team already done configuration in SCOT.

Thanks,

Naresh.K