To enable SMS alerting:
1. First go to the Settings --> Contacts, and select New Contact.
2. Choose Type SMS, enter the appropriate contacts details, and then click Save.
3. At this point a confirmation code will be sent to your contact. Enter the confirmation and click OK. Should you not receive an SMS message, click the Try Other Routes link to resend the message from another SMS provider.
4. Once the confirmation code is confirmed, this SMS contact will appear as a potential Alert contact in your monitor configurations screen.