(1) "Alliance for Telecommunications Industry Solutions (ATIS)" shall mean the membership organization that provides the tools necessary for the industry to identify standards, guidelines and operating procedures that make the interoperability of existing and emerging telecommunications products and services possible.

(2) "Emergency Services Interconnection Forum (ESIF)" shall mean the working group of ATIS that provides a venue for the telecommunications industry, public safety and other stakeholders to develop and refine technical and operational interconnection issues that will ensure E9-1-1 service will be available for everyone.

(3) "Federal Communications Commission (FCC)" shall mean the agency of the federal government established under the Communications Act of 1934, as revised, for the purpose of regulating interstate communication by wire and radio.

(4) "Electronic serial number (ESN)" shall mean the unique 11-digit serial number assigned to the handset by the manufacturer.

(5) "International Mobile Equipment Identifier (IMEI)" shall mean the unique 15-digit serial number assigned to a global system for mobile communication (GSM) handset used on a GSM wireless network.

(6) "National Emergency Number Association (NENA)" shall mean the group established to foster the technological advancement, availability, and implementation of a universal emergency telephone number system.

(7) "Nonservice initialized handsets" shall mean a handset for which there is no valid service contract with an RCSC.

(8) "Phase I enhanced 9-1-1 service" shall mean wireless 9-1-1 service where the RCSC is required to provide the telephone number of the originator of a 9-1-1 call and the location of the cell site or base station receiving a 9-1-1 call from any mobile handset accessing their systems to the designated PSAP through the use of ANI and Pseudo-ANI (see WAC 118-66-030).

(9) "Phase II enhanced 9-1-1 service" shall mean wireless 9-1-1 service where the RCSC is required to provide the telephone number of the originator of a 9-1-1 call and the location by latitude and longitude to the designated PSAP.

(10) "Radio communications service company (RCSC)" shall mean every corporation, company, association, joint stock association, partnership, and person, their lessees, trustees, or receivers appointed by any court, and every city or town making available facilities to provide commercial mobile radio communications services, or cellular communications service for hire, sale, and both facilities-based and nonfacilities-based resellers, and does not include radio-paging providers.

(11) "9-1-1 Only Handsets" shall mean a nonservice initialized handset that is manufactured with the capability of dialing 9-1-1 only and that cannot receive incoming calls.