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NORS -- CSRIC Best Practices Result

CSRIC Best Practices Result

Detailed Information for the Best Practice: 9-9-3224

Number 9-9-3224
Priority Highly Important
Description Network Operators, Service Providers, and Public Safety should use dedicated Signaling System 7 (SS7) or Multi-Frequency (MF) controlled trunk groups for the normal routing of 9-1-1 calls from originating switching entities to 9-1-1 Selective Routers (SRs) rather than using shared Public Switched Telephone Network (PSTN) trunk arrangements and where appropriate and necessary supported by service level agreements.
Network Type(s) Cable; Internet/Data; Satellite; Wireless; Wireline
Industry Role(s) Service Provider; Network Operator
Keyword(s) Network Design;Public Safety Service;