All Billing Telephone Corporations who offer third-party billing and collection services shall cooperate with the Telecommunications Division and the Consumer Protection and Safety Division and participate in meetings and workshops for the purpose of developing materials to educate consumers on how to avoid having unauthorized charges placed on bills. The workshop, shall not only develop content for the CalPhoneInfo web site maintained by the Commission, but also shall discuss actions taken by the Billing Telephone Corporations to inform consumers of the ability to block third-party services and their related charges.