...
How do I request a TID or Calling Card?
Submit an the ITS RequestTelephone Assistance form. Because TID requests have to be sent to an outside vendor, please allow up to two weeks to receive a TID.
...
When you place a call from a 293 number, dial 8 plus the area code and phone number. Do not dial "1" before the area code.
When the voice instructs you to enter your security code, enter your full 98-digit TID. The call should go through.