NT7B75AAAG - Nortel Norstar Caller ID Trunk Cartridge

Here are the 12 technical specifications for the Nortel Norstar Caller ID Trunk Cartridge:
1. Compatibility: Nortel Norstar phone systems
2. Type: Caller ID trunk cartridge
3. Number of lines: 4
4. Caller ID type: Bellcore, ETSI, or DTMF
5. Call waiting compatible: Yes
6. Call forwarding compatible: Yes
7. Call transfer compatible: Yes
8. Conference call compatible: Yes
9. Distinctive ring compatible: Yes
10. Music on hold compatible: Yes
11. Dimensions: 6.5 x 4.5 x 1.5 inches
12. Weight: 4 ounces

Helpful notes:
1. The Nortel Norstar Caller ID Trunk Cartridge is easy to install and provides accurate caller ID information for up to 4 lines.
2. This cartridge is compatible with multiple caller ID types, ensuring that it works with a variety of phone systems.
3. With features like call waiting, call forwarding, and conference calling, this cartridge helps streamline communication in your office.