User's Manual

E-18
phone systems. Your wireless phone, however, may sometimes
be the only available means of communication at the scene of
an accident. When making an emergency call, always give the
recipient all necessary information as accurately as possible.
Never terminate an emergency call until you have received
clearance to do so.
I FCC Enhanced 911 (E911) Rules
Background
The Federal Communications Commission (FCC) requires
wireless carriers to transmit specific latitude and longitude
location (Automatic Location Identification = ALI) information as
well as “911” calls to Public Safety Answering Points (PSAPs)
to identify the location of the caller in case of emergency.
Generally, the rules require that carriers identify an E911 caller’s
location within 50 meters of the actual location for 67 percent of
calls and within 150 meters of the actual location for 95 percent
of calls.
I G’zOne Rock™’s ALI Capability
The G’zOne Rock™ is an ALI-capable phone equipped with a
GPS (Global Positioning System) receiver supporting a satellite-
based GPS ALI-capable network to comply with the FCC’s ALI
requirements.
The network compliance with the above FCC requirements is
dependent on: (a) the use of digital technology by the wireless
network; (b) GPS satellite signals being able to reach the
handset (such transmissions do not always work indoors, for
example); and (c) handset signals reaching wireless “base