Civ. Code, § 1714.55

(a) A retail or wholesale service provider of telecommunications service, or other service, involved in providing 9-1-1 service in accordance with the Warren-911-Emergency Assistance Act (Article 6 (commencing with Section 53100) of Chapter 1 of Part 1 of Division 2 of Title 5 of the Government Code), shall not be liable for any civil claim, damage, or loss caused by an act or omission in the design, development, installation, maintenance, or provision of 9-1-1 service, unless the act or omission that proximately caused the claim, damage, or loss constituted gross negligence, wanton or willful misconduct, or intentional misconduct.

(b) For purposes of this section:

(1) “Public safety agency” means a public safety agency as defined in accordance with the Warren-911-Emergency Assistance Act (Article 6 (commencing with Section 53100) of Chapter 1 of Part 1 of Division 2 of Title 5 of the Government Code).

(2) “9-1-1 service” means a telecommunications service, or other wireline or wireless service, that provides to the user of the public telephone system the ability to reach a public safety agency by utilizing the digits 9-1-1 or otherwise facilitates the provision of emergency services pursuant to the Warren-911-Emergency Assistance Act (Article 6 (commencing with Section 53100) of Chapter 1 of Part 1 of Division 2 of Title 5 of the Government Code). “9-1-1 service” includes a 9-1-1 service that utilizes in whole or in part an Internet Protocol.

(c) This section shall not apply to services provided under tariff.

(d) This section shall not be construed to modify the liability of a manufacturer, distributor, or other person arising from a claim, damage, or loss, related to the operation or performance of an end-user device that is not related to the provision of 9-1-1 service.