Imprisoned teacher banned from visits

With the passing of two weeks from the arrest of Ismail Abdi, secretary general of the teachers’ association, by the IRGC intelligence, there is no news of the charges against this imprisoned teacher. 
Abdi is being kept in Evin Prison ’s 2A solitary confinement and is under interrogation. To this date he hasn’t had any visits from his lawyer or family. His connections with the outer world have been limited to two minute calls with his family.