The process of using your panel to trigger sms needs the following process(steps) to be completed as mandatory.
Soon after the user logins to the panel the followed processes are document approval ,sender-id approval followed by template approval.
Steps to be followed for document approval:
login to panel->Manage items->manage documents ->+new -> upload the valid optin document->click save ->once document approved ->proceed for sender-id approval.
STEPS TO FOLLOW FOR SENDER-ID APPROVAL:-
login to panel->Manage items->manage sender-ids->+new -> request for the sender-id ->click save ->once sender-id approved ->proceed for template approval.
STEPS TO FOLLOW FOR TEMPLATE APPROVAL:-
Please click on manage items->manage sender-ids->templates (human eye like symbol in green)->+New->enter the message content->save.
Please refer the below attachments to know about valid optins.
Please request the sender-id from your panel.