California Code, Business and Professions Code - BPC § 22760

(a) It is unlawful to sell within this state any cordless telephone manufactured after January 1, 1992, that does not provide increased protection from unintentional line seizure and dialing, and protection from unintentional ringing.

(b) For the purposes of this section, a cordless telephone is a two-way low power communication system consisting of the following two parts connected by a radio link:

(c) For the purposes of this section, a cordless telephone has increased protection from unintentional line seizure and dialing, and protection from unintentional ringing, if it does either of the following:

(d) This section does not apply to any cordless telephone manufactured prior to January 1, 1992, whether, after the operative date of this section, it is inspected, repaired, or refurbished and returned to the original user, provided to another user in exchange for a unit needing repair, or resold.