We'd like to check the status of your case with our Mobile team.
Also, have you tried these steps:
1. Turn off/on your mobile phone to refresh.
2. Check your SMS center number, it should be +61415011501
3. Try different mobile phone to check if service will work.
If all else fails, kindly provide us the error message that you are getting.
Shoot me a PM with your mobile number or customer ID number.