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NORS -- CSRIC Best Practices Result

CSRIC Best Practices Result

Detailed Information for the Best Practice: 9-9-3223

Number 9-9-3223
Priority Highly Important
Description Network Operators, Public Safety and Service Providers should implement dedicated trunk groups between the Mobile Switching Center (MSC) end office or similar source and the E9-1-1 Selective Router (SR), based on the geography served by the default Public Safety Answering Points (PSAPs).
Network Type(s) Cable; Internet/Data; Satellite; Wireless; Wireline
Industry Role(s) Service Provider; Network Operator
Keyword(s) Network Design;Public Safety Service;
Reference/Comments This should be done rather than aggregating traffic from centralized switching architectures serving wide spread geographic areas onto a single trunk group to the E9-1-1 Selective Router. This should be done in conjunction with the local PSAP jurisdictional authorities to ensure that correct choices are made.