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Norstar Caller ID Trunk Card (4 Line)
Feature: Trunk card is used to add 4 incoming lines with Caller ID to your Norstar system.
Norstar 4 CO Caller ID Trunk Cartridge is compatible with the following modules: Copper 12x0 module and Fiber 12x0 module.
Norstar 4 CO Caller ID Trunk Cartridge is compatible with the following modules: Copper 12x0 module and Fiber 12x0 module.