TN420C - TN744E

Avaya Definity TN722B DS1 Tie Trunk Circuit Pack

  • Like New: $65.00
Availability: In Stock

TN722B DS1 Tie Trunk

The TN722B connects the 8 ports of multi-appearance hybrid analog and 24 independent trunk connections of digital voice terminals.


  • 8 Ports connecting Hybrid analog and Digital voice
  • Three types of digital tie trunk interfaces: voice-grade DS1, alternate voice/data (AVD) DS1 tie trunks, and digital-multiplexed interface (DMI) Provides Bit-Oriented Signaling (BOS) on the automatic, immediate-start, delay-dial, and release-link trunks

Package Includes

  • TN722B DS1 Tie Trunk

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