Norstar NT7B75 Caller ID (CI) Analog Trunk Cartridge. The NT7B75## and NT8B41## series of Caller ID cards came in many versions starting with AAAC and ending with AAAJ, but they all work exactly the same.
NOTE: We will warranty this item for 3 years if installed by a Nortel technician.
4 - line Caller ID requires KSU capability and Caller ID service from the line provider
Detects and translates incoming CMS/CLASS information for display on Norstar sets
- Modular ICS Core (MICS)
- Compact ICS Core (CICS)
- Fiber and Copper Trunk Modules
- Modular 8x24 Copper Trunk Module