Trunk

Definition:

A central office circuit terminating in the phone equipment on the customer premise. A circuit between central offices.

Intrado : Jul 24, 2024, 3:26:13 PM

Emergency Service Central Office Number. The information delivered to the PSAP when there is an ANI failure between the end office and the 9‐1‐1...

Intrado : Jul 25, 2024, 11:49:35 AM

A trunk used to interconnect two Central Offices.

Intrado : Jul 23, 2024, 5:13:29 PM

Circuit Identification Code. The part of a CCS/SS7 signaling message used to identify the circuit that is being establishedbetween two signaling...

Glossary of Terms