SI (Spatial Interface)

SI (Spatial Interface) is a standardized interface between the GIS data and the functional elements that consume GIS data, such as the ECRF, LVF, Map Database Services, etc.


 * NENA-STA-010, Detailed Functional and Interface Standards for the NENA i3 Solution
 * NENA-STA-006, NENA Standard for NG9-1-1 GIS Data Model