(1) "911 only devices" shall mean a nonservice initialized device that is manufactured with the capability of dialing 911 only and that cannot receive incoming calls.

(2) "Device" shall mean a piece of technology equipment designed to perform specific functions and with the capability to access the 911 emergency communications system.

(3) "Dispatchable location" means a location delivered to the PSAP with a 911 call that consists of the validated street address of the calling party, plus additional information such as suite, apartment, or similar information necessary to adequately identify the location of the calling party.

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

(5) "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.

(6) "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.

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

(8) "Radio communications service company (RCSC)" has the same meaning as defined in RCW 38.52.010 and 82.14B.020.

(9) "Real-time text (RTT)" is text that is transmitted instantly as it is typed or created.

(10) "Text-to-911" is a service typically provided by mobile carriers, which allows for the sending of short messages to a PSAP from any text enabled device.