Selective Router. The equipment used to route 911 calls to the proper PSAP, or other designated destinations, based upon the caller’s location information and other factors.
Selective Router. The Central Office that provides the tandem switching of 9-1-1 calls. It controls delivery of the voice call with ANI to the PSAP and provides Selective Routing, Speed Calling, Selective Transfer, Fixed Transfer, and certain maintenance functions for each PSAP. Also know as Enhanced 9-1-1 (E9-1-1) Control Office or 9-1-1 Selective Routing Tandem.
Selective Router. A switching office placed in front of a set of PSAPs that allows the routing of 9-1-1 calls based on the ESRD assigned to the call.
Selective Router. In a 911 context, is a device that automatically routes an E911 call to the PSAP that has jurisdictional responsibility for the service address of the telephone that dialed 911, irrespective of telephone company exchange or Wire Center boundaries.
