It only takes a few minutes to report a service difficulty using the Customer Portal.
First, select the phone number your having the issue with and click
Submit a Trouble Ticket , them follow the prompts.
IMPORTANT: Most service issues are caused by your answering point aka
Call Forwarding number , you can test this by calling your answering point directly and if same issue occurs please contact the service provider of that service. You can also redirect your number during this period.