Skip to the main content.
Login
Support
Search
Toggle Menu
Solutions
PSAP
VIPER
VIPER as a Service
VIPER NextGen
VIPER Answer
Cybersecurity
Enterprise
E911 Solutions
Private Wireless
Incident Management
Campus & School
Service Providers
NG911 Compliance
988 Georouting
Location-based Routing
ECRC
NG911 Core Services
GIS
Emergency Data Broker
ECaTS Analytics
Intrado AI
About Us
Meet the Team
Board of Directors
PSAC
Our Blog
Press Releases
Press Coverage
Events
Career Opportunities
Awards and Recognition
Intrado Patents
Caring About People
Enterprise Cybersecurity
Resources
Partners
Contact us
Toggle Menu
Toggle Menu
Toggle Menu
Search
Solutions
Toggle Menu
PSAP
Toggle Menu
VIPER
VIPER as a Service
VIPER NextGen
VIPER Answer
Cybersecurity
Enterprise
Toggle Menu
E911 Solutions
Private Wireless
Incident Management
Campus & School
Service Providers
Toggle Menu
NG911 Compliance
988 Georouting
Location-based Routing
ECRC
NG911 Core Services
GIS
Emergency Data Broker
ECaTS Analytics
Intrado AI
About Us
Toggle Menu
Meet the Team
Board of Directors
PSAC
Our Blog
Press Releases
Press Coverage
Events
Career Opportunities
Awards and Recognition
Intrado Patents
Caring About People
Enterprise Cybersecurity
Resources
Partners
Solutions
PSAP
Enterprise
Campus & School
Service Providers
NG911 Core Services
GIS
Emergency Data Broker
ECaTS Analytics
Intrado AI
About Us
Resources
Careers
Support
Login
Contact Us
Glossary of Terms
Understand basic Public Safety definitions and terms.
Search
FSR
Definition:
Foreign Selective Router.
