Avaya/Definity Circuit Packs TN750 - TN768

Avaya Definity TN753B DID Trunk Circuit Pack

  • Like New: $52.88
Availability: In Stock

TN753B Direct Inward Dialing Trunk

The TN753B trunk card will provide users with up to 8-ports of direct inward dialing. These 8-ports can be used for wink-start and immediate-start DID Trunks.


  • 8 Ports
  • Tip and ring signal leads
  • TN753B required to support Brazil Block Collect Call
  • Includes Atlas 1-Year Warranty with Extended Warranty options available!

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