California Penal Code Sections 632 and 632.7 (Recording Confidential Communications) 632.7(a): 632.7(a) Obtain the consent of all parties before recording calls involving cellular or cordless phones

A person may not, without the consent of all parties, intercept or receive and intentionally record, or help to intercept or receive and record, a communication transmitted between two cellular radio telephones, a cellular and a landline telephone, two cordless telephones, a cordless and a landline telephone, or a cordless and a cellular telephone. Unlike s. 632, the communication need not be confidential. Penalty: a fine of up to 2,500 dollars, up to one year in county jail or state prison, or both; up to 10,000 dollars after a prior conviction under ss. 631, 632, 632.5, 632.6 or 636.