Avaya Definity ZTN131 Service CKT/T1 (ZTN131)
The Avaya Definity ZTN131 Service CKT/T1 is a service circuit for the Avaya System 25. ZTN131 is required for the System 25 R3V1 and is required if using T1.
Features
- Required for System 25 if using T1
- Replaces the ZTN85 for systems at R3V1
- One year warranty included, with extended warranties available!