Is the police summons a phone call or a direct visit?

Go straight to the door. the public security bureau can verbally summon the police officers of the police station for the illegal acts found on the spot. For illegal acts found off-site, the police station of the police station shall use a summons card, and generally do not use telephone notification.

Article 92 of the Criminal Procedure Law of People's Republic of China (PRC) * * * A criminal suspect who does not need to be arrested or detained may be summoned to a designated place or residence or unit for interrogation, but the certificate of the people's procuratorate or the public security organ shall be produced.