Phone System-Avaya

Nortel Norstar

Toll Free: 800-475-0989

Norstar DID Trunk Cartridge NT5B37

Direct Inward Dialing (DID) Trunk Cartridge

Routes calls from the public network directly to sets, bypassing an attendant, reducing traffic to the central answering position.All DID Trunk Cartridges have Disconnect Supervision.DID trunks do not support CMS/CLASS services.Provides access for up to four (4) CO lines.Compatible with the Modular ICS Fiber Trunk Module and the Modular 8x24 Copper Trunk Module