1. Leave a message or send an email: If you can't get through after repeated calls, you can consider leaving your own contact information and questions for the other party to reply. Or send your questions and contact information to the filing court by email, so as to get in touch with the other party.
2. On-site consultation: If the problem is urgent or complicated, you can also go to the location of the filing court in person, consult at the window or submit written materials to get more direct help and answers.