They will begin deploying
the service in 2013, though the nationwide system is not expected to be
complete until mid-2014.
The carriers will send automatic bounce-back
messages to people who send 911 texts in areas where the service is not
yet available.
FCC Chairman Julius Genachowski said Voice
calls to 911 are still the most effective way to communicate, but the
FCC believes the text messaging service will help those who are unable
to make calls during an emergency.