Glossary of Terms

Understand basic Public Safety definitions and terms.

ORRSP

Definition:

Origination Request Response. A response to the MSC from the FMCC that usually contains routing digits.

Real-Time

An operating mode in which the information to be handled is sent, processed, and returned in a time interval that is short relative to the...

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PSAP, Secondary

The Secondary PSAP receives emergency calls from the 9‐1‐1 network only as a result of a transfer. The Secondary PSAP never receives first routed...

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ALI Steering

When the ALI provider receives a bid from a PSAP that has been configured to retrieve from an alternate ALI, the ALI provider steers that bid to the...

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Traceroute

Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination in real time,...

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