Article 40 of the Constitution stipulates that the freedom and privacy of communication of citizens of the people's Republic of China are protected by law
No organization or individual may infringe on citizens' freedom and privacy of communication for any reason, except that the public security organ or procuratorial organ shall inspect communications in accordance with the procedures prescribed by law for the needs of national security or the investigation of criminal crimes
Whether a municipal people's court has the right to check the call records of Wang is not important, but it helps the court make a fair judgment.