Worry not... let's try this and we get you sorted out:
1.Restart your mobile phone.
2.Log-in to your Self-Care account to ensure your Service & Account is ACTIVE.
3.Check that your account credit limit in Self-Care is still available.
4.Verify that Caller Line Identity Restriction (CLIR) has been turned OFF.
5.Ensure that the problem is not to a specific number by calling other number.
6.Check the network coverage where call is made.
7.Check Call Block list and remove blocked number.
If the issue still persist, get in touch with our Live Chat in Self-Care or use the Online Web Form, and we get back to you with the solution.