Yes, there is an FCC rule in the United States called the 911 rule.
Here is what is says:
Basic 911 rules require wireless service providers to:
- transmit all 911 calls to a Public Safety Answering Point (PSAP), regardless of whether the caller subscribes to the provider's service or not.
Phase I Enhanced 911 (E911) rules require wireless service providers to:
- within six months of a valid request by a PSAP, provide the PSAP with the telephone number of the originator of a wireless 911 call and the location of the cell site or base station transmitting the call.
Phase II E911 rules require wireless service providers to:
- within six months of a valid request by a PSAP, provide more precise location information to PSAPs; specifically, the latitude and longitude of the caller. This information must be accurate to within 50 to 300 meters depending on the type of technology used.
- by September 11, 2012, provide even more precise location information, specifically, information accurate to the closest PSAP. The FCC established a five year phase-in period for this requirement to allow wireless service providers more time to develop this capability. Wireless service providers must report to the FCC annually on their progress in supplying this more accurate location information for PSAPs with Phase II E911 capability.
