NT5B37 - The Direct Inward Dialing Trunk cartridge routes calls from the public network directly to Norstar station sets, bypassing an attendant and therefore reducing traffic to the central answering position. This card provides access for up to 4 central office lines. This trunk cartridge is compatible with the Modular 8x24 (Release DR4 or higher) and the Modular ICS and supports disconnect supervision, but does not support CMS/CLASS services.
Features:
? Provides (4) 2 wire direct inward dialing trunks.
? Requires one slot in a copper or fiber trunk module.
? Compatible with the following:
? Norstar Modular ICS (MICS)
? Norstar 8x24